red laser diode module – Red Dot, Line and Cross Line Laser Modules

Major Introduction of 635nm Red Laser Diode Module In Industrial Field Use

Whenever users are trying to make ultra clear and precise dot indication for various industrial mechanical processing works, not limited by long distance, high height and other complex working environments etc, it would be the best chance for engineers or factory workers to operate a high purity and high brightness light emitted tool of a 635nm red laser diode module. It gets featured advantages of clear red dot emission, low laser beam divergence, good collimation. Any time it makes correct use of output power and operating voltage electric power source supply, this red dot laser is able to make highly clear red dot positioning onto desired working surfaces. Comparing with traditional dot measuring works, it can greatly reduce the error and loss in the production process.
Usually 635nm red laser diode module adopts the original import 635nm red laser diode within 5mW to 100mW and high power range of 150mW to 500mW, with the intelligent feedback control circuit board in type of APC, ACC. Cooperated with an inner metal heat sink cooling system, whatever output power it is selected, it is working well with high efficiency transmission optical system which has the characteristics of low power consumption and high-efficiency optical power output, good consistency, long service life, and can work stably for a long time in an industrial environment. This 635nm red dot laser alignment tool gets no effect by increasing temperature and serious electric current impact, and enables long time lasting red dot indication for multiple raw material processing works.
When 635nm red laser diode module gets proper connects with 5V, 9V, 12V 1000mA DC power supply, it begins to work with continuous red laser beam emission intensely. In addition, if users are getting special use of continuous laser light source emission, it can also be designed with inner battery power source supply. When it makes constant red reference dot projection within daily operating time of 8 to 10 hours per day, it can reach up to 85% laser beam stability and highly clear red dot indication for multiple raw material processing works conveniently. It is always easy to install and disassemble, and can be quickly deployed and used in a variety of scenarios.
Owing to its special design of thermal emitting and durable housing tube design, the real use of a 635nm red laser diode module gets strong industrial applicability, which can work in a variety of environments, can adjust the brightness, adapt to different material surfaces and ambient light, and can also play a certain protective role for human eyes. When it is installed in various equipment, it does not take too much space, and is conducive to the compact design of equipment. After correct use of output power and proper integration to correct position, it can bring users a lot of convenience for those of industrial fields as below:
Laser processing equipment positioning: 635nm red laser diode module is commonly used in laser marking machines, laser welding machines, laser engraving machines and other equipment to provide accurate position indication for processing, so that marking, welding, engraving and other operations can be carried out according to the predetermined position, improving processing accuracy and quality.
Machine tool processing assistance: ultra compact structure made red dot laser can be installed on the machine tool to help operators quickly and accurately determine the processing position and size of the workpiece, assist in operations such as tool setting, reduce debugging time, and improve processing efficiency.
Four-wheel alignment: in the four-wheel alignment instrument in the automobile maintenance industry, red alignment laser is used to indicate the position and angle of the wheel, helping technicians to adjust the wheel alignment parameters more accurately and ensure the driving performance of the vehicle.
Clothing processing marking: red laser light source can be used for clothing button point light source positioning, cloth cutting auxiliary marking, sewing machine auxiliary marking positioning, etc., to help workers more accurately perform cutting and sewing operations, and improve the accuracy and efficiency of clothing production.

General Applications of 635nm Red Laser Diode Module for Multiple Fields

Unlike the use of any prior dot positioning work, not any longer limited by long distance, long time or other hard reaching places use, none of manual or mechanical dot projecting tool can be comparable with a high density beam emitted tool of a 635nm red laser diode module. It applies a formally available 635nm wavelength red laser diode among visible red laser light band, the human eye is sensitive to this wavelength, the red dot is clear and easy to see, and it is suitable for short distance dot indication. On condition that red dot laser gets constant electric power source supply and proper integration with those of industrial machine or device, it brings users quite easy reaching, good direction and ultra clear red reference dot projection onto different working surfaces conveniently.
When 635nm red laser diode module gets low laser beam divergence of less than 1mrad and special Tem00 laser beam mode, it always projects ultra compact size and highly bright red reference dot onto different working surfaces. For instance, it gets only 0.3mm dot diameter at 10cm, and 1mm to 2mm dot diameter at 2 meters work distance. In addition, employed by an import 635nm red laser diode within 5mW to 100mW, and high power up to 150mW to 500mW, this dot laser alignment is applying different dimension metal housing tube design, thus there is always larger space leaving for tube cooling down and heat dissipation. In those of long time lasting red laser dot projection within 8 to 10 hours per day, it enables highly stable red dot projection and ultra high laser light cycling use in continuous use.
After configuration with a 16mm, 18.9mm and 26mm diameter anodized aluminum alloy housing tube, this ultra compact size tube made 635nm red laser diode module enables quite easy installation, quick reaching and no barrier red dot indication onto any vertical or horizontal surface. It has high integration and is easy to embed into small devices, such as laser pens and scanners. Owing to its its low energy consumption and low relying on manual labor force input, according to correct use of output power and operating voltage electric power source supply, this direct diode emission made 635nm red dot laser alignment tool just brings users ultra clear and precise dot alignment for multiple lighting occasions effectively.
Applications:
Industrial field: highly precise dot indicating tool of a 635nm red laser diode module is used for laser positioning, such as machine tool processing, position calibration of cutting equipment,, laser marking (production line alignment), using the visibility of red dots to improve operation accuracy.
Consumer electronics: ultra compact size tube made red dot laser is commonly used in laser pens, projection keyboards, or as indicator lights for electronic devices (such as projectors, barcode scanners).
Medical and scientific research: low-power red alignment laser can be used for optical experiments, biological cell observation (auxiliary positioning), and some medical equipment (such as skin treatment instruments) also use its visible light indication function.
Security and measurement: laser sights (toys or simulation equipment), distance meters (marking target points with red dots).

What is Unique Use of the the 685nm Red Laser Diode Module in Scientific Field?

Usually 685nm red laser diode module adopts ultra compact size and durable metal housing tube, which is easy to flexibly install and layout in various complex experimental devices, and can adapt to different environmental space requirements. Integrated with an import 685nm red laser diode and qualified optic lens inside its durable housing tube, it has just enabled quite easy installation and integration with scientific device or equipment. Based on the use of correct output power and operating voltage DC power supply, this direct diode emission made red dot laser assures high precision and reduced error experiments effectively.

In practical scientific experiment work fields, red laser diode module can generate 685nm wavelength red laser light with high wavelength accuracy, providing accurate excitation conditions for scientific research experiments that require specific wavelength light sources. When it gets low beam divergence angle, high red laser beam collimation and good spot uniformity, available with an import 685nm red laser diode within 5mW to 100mW output power, this red dot laser can ensure the stability and consistency of the beam during transmission and action, which is conducive to improve experimental accuracy greatly.

Being made with APC, ACC driving circuit board inside its durable anodized aluminum alloy housing tube, the real use of a 685nm red laser diode module keeps work with stable output power and small power fluctuation in real use. It is crucial for experiments that require precise control of red laser light energy, such as photochemical reactions and photobiological experiments, and can reduce experimental errors. The internal structure is reasonably designed, the 685nm laser diode and optical components are firmly installed, and with a good heat dissipation structure and a stable circuit system, the 685nm red dot laser module performance can be guaranteed to be stable during long-term work.

Based on the use of ultra compact size tube design of 16mm and 26mm, this 685nm red laser diode module enables easy integration with other optical components, detectors, control systems etc, forming a complete experimental system, which is convenient for scientific researchers to customize according to experimental needs.

Applications in scientific experiment:

Optical experiment: As a light source, 685nm red laser light source is used in basic optical experiments such as optical principle verification, optical path construction and adjustment. Its stable light beam helps to present optical phenomena accurately.

Spectral analysis: As an excitation light source in the spectrometer, it excites the sample to produce fluorescence or Raman scattering, and studies the molecular structure and chemical composition of the sample by analyzing the spectrum of the scattered light.

Quantum optical research: It is used to generate photons of specific wavelengths, as a carrier of quantum states, and participates in quantum optical experiments such as quantum entanglement and quantum key distribution.

Biomedical research: In the fields of cell biology and molecular biology, 685nm red laser diode module is used for imaging of fluorescently labeled biomolecules, capturing and manipulating tiny biological particles with optical tweezers technology, etc.

What is The Special Use of 680nm Red Laser Diode Module?

When dot measuring work is processing with a high density beam emitted tool of a 680nm red laser diode module, it has just got featured advantages of low beam divergence and high brightness red laser light source emission. When it makes the best use of a qualified semiconductor 680nm red laser diode and a qualified optic lens, cooperated with the durable and compact size tube design, it enables easy carrying and installation, quick reaching and highly precise red dot indication onto various working surfaces conveniently.

The special use of the 680nm red laser diode module is mainly reflected in its wavelength characteristics. 680nm red laser light has good penetration in biological tissues, which enables it to play a unique role in medical physiotherapy and optogenetics. In industry, its high energy density red laser light can achieve fine processing. When it is used in scientific research, its specific wavelength of 680nm can be used as a characteristic excitation light source. Moreover, red laser light is more eye-catching in the human eye and has obvious advantages in areas such as signage and security monitoring.

What is exact application of 680nm red laser diode module?

Red laser is a device that can emit high density and highly powerful red laser light with a wavelength of 680nm. It is widely used in many fields. Here are some introductions:

Industrial field

Laser marking: when it projects a high-energy density red laser beam, it can be used to burn the surface of the workpiece to form a permanent mark, such as product model, production date, QR code, etc.

Laser cutting: The focused high-energy red laser beam quickly melts and vaporizes the material, thereby achieving the cutting of the material. 680nm red laser diode module is widely used in cutting thin metal materials, plastics, fabrics, etc.

Medical field

Laser therapy: Low-power 680nm red dot laser module can be used for physical therapy, promoting blood circulation, relieving pain, accelerating wound healing, etc. It has an auxiliary therapeutic effect on some chronic diseases and sports injuries.

Laser beauty: It can be used to treat acne, fade spots, tighten the skin, etc. It can stimulate the production of skin collagen and improve skin texture.

Scientific research field

Spectral analysis: As a light source, 680nm red laser diode module is used to excite samples to emit fluorescence, and the structure and properties of substances are studied by analyzing the fluorescence spectrum. It has important applications in chemistry, biology, materials science and other fields.

Optogenetics: 680nm lasers can be used to activate or inhibit specific neurons, study the functions of neurons and the working mechanism of the nervous system.

Other fields

Indicator signs: In teaching, conference demonstrations, exhibitions and other scenes, as an indicator tool, it is convenient for speakers or explainers to point to specific content.

Security monitoring: With photoelectric sensors, 680nm red laser diode module forms an active infrared detection system for perimeter protection, intrusion alarm, etc. When an object blocks the laser beam, the sensor will trigger an alarm.

Wide Applications of 680nm Red Laser Diode Module In Industrial Processing

In practical industrial precise dot measuring work, in order to get high precision dot positioning guidance, a lot of engineers and professionals would prefer to operate a high density beam emitted tool of 680nm red laser diode module. Being made with a qualified optic lens and import red laser diode inside a durable metal housing tube, after its easy integration and installation onto industrial device or equipment, it is able to work with ultra clear, precise and good directivity red dot projection for a lot of industrial and high tech precise dot measuring works conveniently.

After easy connects with 5V, 9V 1000mA AC/DC adapter, this single wavelength 680nm red laser diode module can easily emit high transmittance and high density red laser light at several miles far away, and converts into a ultra small size and highly bright red reference dot for accurate position. It can control the processing error within a very small range and meet the strict requirements of industrial processing for precision. When red dot laser makes constant dot alignment within 8 to 10 hours per day, it can easily maintain ultra high laser beam stability of at least 85% and reduced possibility of tube burning out or damage in continuous use.

Owing to its freely selected output power of 5mW to 100mW, 680nm red laser diode module has high contrast and visibility in various environments. Even in dim light or reflective material surface, the operator can see the red laser dot clearly, which is convenient for real time adjustment of the processing position. Based on the use of correct output power, this 680nm red dot laser does not need to be in direct contact with the work piece, and will not cause scratches or contamination on the workpiece surface. It is particularly suitable for the processing of materials and parts with high surface quality requirements.

Featured by APC, ACC driving circuit board design, 680nm red laser diode module can maintain stable laser output in long term industrial production, ensure the accuracy and consistency of red dot positioning, and reduce processing quality problems caused by unstable equipment. Usually it enables long serving lifetime of more than 8,000 hours and proper operation for various raw material processing works conveniently.

Application in industrial fields:

Cutting auxiliary positioning

In the cutting process of metal, plastic and other materials, the red dot projected by the 680nm red laser diode module can clearly indicate the cutting path, helping operators to align the knife quickly and accurately, ensure the cutting position accurate, and reduce material waste.

Welding position guidance: In welding operations, especially for electronic component welding or precision metal welding with high precision requirements, the 680nm laser module can provide accurate welding position markings, so that welders can more accurately control the welding trajectory, improve welding quality, and avoid problems such as false welding and leaking welding.

Drilling positioning: When drilling holes in various materials, the 680nm red dot laser module can pre-mark the drilling position to ensure that the drill bit is accurately aligned with the target, improve the accuracy and consistency of drilling, and play an important role in some small hole processing with high precision requirements, such as micro-hole processing of aerospace parts.

High Security Used 670nm Red Laser Diode Module

Based on the use of advanced 670nm wavelength semiconductor red laser diode and a qualified optic lens inside a highly durable metal housing tube, it is manufactured into a quite professional dot measuring tool of a 670nm red laser diode module. It emits constant and high power density red laser beam at several miles far away, and projects a highly clear and compact size red reference dot at different work distances. When it gets constant electric power source supply and proper integration and installation onto other machine or equipment, this red dot laser is able to work with ultra clear, good direction and high security dot alignment and measurement for multiple work fields conveniently.

Comparing with other visible laser devices among all optical spectrum, 670nm wavelength is in the red light band, and the scattering is relatively small when propagating into the air. This 670nm red laser diode module has good penetration and can maintain a strong red laser light intensity with a certain distance. Employed by an import 670nm red lase diode within 5mW to 100mW output power, besides the basic dot indication for inner room and close distance, it is also suitable for applications in various environments.

Owing to its strong visual stimulation to the human eyes, it always projects quite easily observed red laser light. Red laser light can be clearly distinguished even in a brighter environments, which makes it play a good role in indication, positioning and other applications etc. Compared with some high power or short wavelength lasers, 670nm red laser diode module are less harmful to human body under normal use. It belongs to low power laser product, and generally do not cause serious damage to human eye and skins at all.

Being made with APC, ACC driving circuit board, whatever output power it is selected, the performance of 670nm red laser diode module is relatively stable, and output power fluctuation is small, and it can work stably for a long time. Within long time lasting red dot projection of 10 hours per day, it can ensure the reliability in various application fields and reducing work interruptions or errors caused by laser module failures. When users are selecting a proper dot measuring tool, it also a very nice choice since it gets quite low production cost and low relying on manual labor force input as well.

Application introduction:

Industrial field: 670nm red laser diode module is commonly used for red dot positioning and calibration in industrial production, such as in mechanical processing, it can indicate the processing position and ensure processing accuracy accurately. In construction, red reference dot is used for horizontal and vertical positioning to help workers accurately build building frames.

Medical field: It can be used as a physical therapy in medicine. The 670nm wavelength red laser diode module has a certain biological stimulation effect on human tissue, which can promote blood circulation and accelerate wound healing. It can also be used for medical testing, such as as an excitation red laser light source for fluorescence detection to help detect specific substances in organisms.

Scientific research field: In optical experiments, 670nm red dot laser is used as a light source to study the propagation, interference, diffraction and other phenomena of light. In spectral analysis, it can be used as a light source of a specific wavelength to analyze the spectral characteristics of substances.
Consumer electronics field: 670nm red laser diode module is widely used in laser pens for teaching, conference demonstrations and other scenes, which is convenient for speakers to indicate the screen or explain the content. It can also be used in sensors of some electronic products, such as distance sensors, which measure the distance of objects by emitting and receiving lasers.

Good Use of 660nm Red Laser Diode Module in Construction Field

In order to get quite clear and accurate dot indication onto multiple working surfaces, not able to work with manual dot projecting work, it would be a much better job to operate a highly bright beam emitted device of a 660nm red laser diode module. It can provide millimeter level accuracy dot alignment, thus it is applicable for high precision measurement and alignment for various construction works. Only if users are passing through simple operation, after easy connects with an external electric power source and proper integration with other constructing machine or equipment, this 660nm red dot laser will always makes ultra clear, precise and high speed dot indication for all construction personnel effectively.

Connected with an AC/DC adapter, not spending extra time on alkaline battery power source, the genuine use of a 660nm red laser diode module is able to make continuous red laser beam emission from an inner semiconductor red laser diode within 5mW to 100mW output power. It gets no battery power source change, but getting even larger space leaving for tube cooling down. When 660nm red dot laser makes continuous red dot projection within daily operating time of 8 to 10 hours, it is able to work with ultra clear and stable red dot indication, without any light decay or dim in proper use. Only simple operation is required to emit a stable red laser beam, without complex equipment debugging and professional skills, which reduces the difficulty of operation for construction personnel.

When 660nm red laser diode module applies a qualified glass coated lens, it enables high density and high transmittance red laser light source emission at long extending distance. After its correct use of output power, and proper installation and integration to desired machine or device, it avoids the errors and damage to the construction surface that may be caused by contact measurement, and is also suitable for the measurement and positioning of some parts that are not easy to directly contact.

Application introduction

Horizontal and vertical positioning: In construction, 660nm red laser diode module is used to determine the horizontal and vertical reference lines. For example, when pouring floor slabs, horizontal laser dots are emitted to ensure the flatness of the floor slab surface. When it is used for building high-rise buildings, vertical red laser dots are used to ensure the verticality of the walls.
Formwork installation: It provides precise red laser dot positioning for the installation of the formwork. Construction personnel can adjust the position and angle of the formwork according to the position of the laser dot so as to ensure accurate installation of the formwork, thereby ensuring that the shape and size of the concrete after pouring meet the design requirements.

Measurement and layout: In the measurement and layout work of the construction site, the 660nm red laser diode module can project clear red reference dot to help surveyors quickly and accurately determine the measurement points and layout positions, and improve measurement accuracy and work efficiency.

What is the real practicality in construction work?

Improve construction quality: Through precise red dot positioning and measurement, the dimensional accuracy and flatness of the building can be effectively controlled, construction errors can be reduced, and the overall construction quality can be improved.

Improve work efficiency: Compared with traditional measurement and positioning methods, the 660nm red laser diode module can quickly project clear red dot, reducing the time for manual measurement and marking, and speeding up the construction progress.

Adapt to a variety of environments: Whether indoors or outdoors, whether during the day or at night, the 660nm red dot laser module has high visibility, can work normally under different lighting conditions, and adapt to various complex construction environments.

Unique Advantages of 670nm Red Laser Diode Module

When 670nm red laser diode module gets constant electric power source from an AC/DC adapter, not the same as a simple red laser pointer only used for temporary dot positioning work, it always makes constant red laser beam and red dot projection through the beam aperture part. Owing to its visible laser beam emission from a 670nm wavelength, when it is propagating in the air, it is quite sensitive to human eyes, which can be clearly seen the light spot. On condition that this ultra compact structure made 670nm red dot laser makes proper installation, not limited by long time or long distance use, it always makes convenient dot indication for all measurement and positioning fields effectively.
Usually 670nm red laser diode module applies a qualified semiconductor red laser diode within 5mW to 100mW output power, cooperating with advanced manufacturing processes, it has just enabled the module to maintain stable output power emission and frequency during operation. It is always equipped with a metal heat sink cooling system inside the durable anodized aluminum alloy housing tube, which enables superior nice thermal emitting and thermal conductivity, and ultra stable red reference dot projection in long time use. In various working environments,red dot laser is able to maintain good performance, not effected by mechanical moving, shocking or calibration as well.
Usually according to real work distance and lighting occasion, 670nm red laser diode module with correct output power enables highly clear and enough energy red reference dot indication for dot positioning and dot alignment work etc. Users get no need to worry about extreme energy consumption, thus it enables long time lasting red dot projection within 8 to 10 hours per day, without any appearance of laser light decay or blur in proper use. In addition, 670nm red dot laser maintains stable output power and frequency during operation, and performance fluctuations are not likely to occur during long term continuous operation, which can ensure reliability in various application scenarios.
Cooperating with a qualified glass coated lens and glass window in front of beam aperture, 670nm red laser diode module keeps work with low laser beam divergence angle, good directivity, and can be focused on a very small light spot so as to achieve precise processing and measurement. It just gets great significance in industrial manufacturing, medical equipment calibration and other fields that require high precision. When 670nm red dot laser projects good penetration red laser light source, even though it is used under smoke and dust, it can still maintain a certain degree of visibility and can be used for laser indication and positioning in security monitoring and other fields.
Comparing with other wavelength laser devices, such as 532nm green, blue laser with the same output power, this 670nm red laser diode module has unique color and optical properties, which can be easily identified and applied in multi color light environments or scenes where different wavelength of light need to be distinguished. In some industries with special requirement on color, such as stable lighting, art exhibitions etc, 670nm red alignment laser can provide a unique red laser light effect, creating a specific atmosphere and visual effect, which cannot be completely replaces by other wavelength of light.

The Best Deal of 650nm Red Laser Diode Module

In process of high precision and high stability dot indication at different work distances, even though it is not able to rely on manual labor force input, it should be a much better solution for users to operate a highly intense beam emitting tool of a 650nm red laser diode module. In various industrial and high tech precise dot measuring work fields, when it gets constant power source supply and proper installation onto those of industrial device or equipment, this direct diode emission made 650nm red dot laser just makes sure of good direction, high precision and high brightness red dot projection onto various working surfaces constantly.

The usual use of an AC/DC adapter always supports 650nm red laser diode module with constant red laser beam emission at long extending distance. It applies an import 650nm red laser diode within 5mW to 100mW as its beam emitting source. Usually it gets basic use of a metal heat sink cooling system, it is getting increasing laser beam stability of at least 40%. in addition, once it is used under those of harsh working occasion, including mechanical moving, shocking or calibration etc, this 650nm red dot laser still gets no effect at all, and maintains its stable red dot projection within constant work time of 8 to 10 hours per day.
According to quite special use of a qualified glass coated lens and a glass window inside a durable metal housing tube, this 650nm red laser diode module also passes through a series of laser beam stability test and aging preventing test. It emits high density and high transmittance red laser light source, and converts into ultra clear and precise red reference dot at long extending distance. Cooperating with special design part of adjustable focus optic lens, after its immediate red laser light concentration, this 650nm red dot laser enables high efficiency conversion of increasing brightness and accurate red dot alignment at even longer distance.
Within quite long extending distance and other formal lighting occasion etc, this 650nm red laser diode module is always working well as an accessory part. It brings users quite easy reaching, low production cost and long lasting red dot projection. The unique use of APC, ACC driving circuit board assures constant red laser beam and red dot projection, and long serving lifetime of more than 8,000 hours. Every time users are taking active laser safety measure and wearing correct laser safety goggles, without any eye exposure to beam aperture, this red alignment laser still makes easy and secured dot measurement for all labs, institutes and colleges etc.

How Can Adjustable Focus Lens 635nm Red Laser Diode Module Work Conveniently?

Whatever kind of working surface users are in need of ultra clear and quick dot measurement, any type of manual or mechanical dot alignment tool can be comparable with a 635nm red laser diode module. It is applying an import 635nm red laser diode as its beam emitting source. In those of long lasting and long distance precise dot measuring work fields, only if it gets proper installation and adjustment of both of laser beam focus and dot emitting direction, this dot laser alignment tool gets highly focused red laser light source, increasing brightness and accuracy dot generation at great distance effectively.
When 635nm red laser diode module is made with good thermal emitting system, even though it is used for quite long time and long distance, it still maintains good laser beam stability and strong environmental stabilization. Being made with an import 635nm red laser diode within 5mW to 100mW, after special use of 16mm and 26mm diameter anodized aluminum alloy housing tube, this direct diode emission made 635nm red dot laser just gets superior thermal stabilization within wide range operating temperature, and any other harsh occasion of mechanical moving, shocking or calibration etc.
Cooperating with a qualified glass coated lens, whatever kind of working surface it is pointing, this 635nm red laser diode module is working well with high density and high transmittance red laser light source emission at long extending distance. The unique use of a glass widow is also equipped in front of laser beam aperture. Whenever it is used under moisture, dust, rain, water or fog, this red dot laser still keeps work with good performance. It is able to bring users quite satisfied dot alignment solution for laser marking, laser engraving, drilling system, red laser sight, military targeting and lab experiment work etc.
On the basis of real work distance and lighting occasion, within wide range output power of 5mW to 100mW, this 635nm red laser diode module enables correct use of output power, and ultra precise red dot projection within the greatest work distance of 25 meters. Being made with 16mm and 26mm diameter housing tube, it always enables quite easy installation and no barrier red dot projection onto any vertical or horizontal surface. This red alignment laser should only be used with high attention to laser safety issue and proper wearing of laser safety goggles, it brings users the best dot alignment experience for all working occasions effectively.