If dot measuring work is processing under those of night version work fields, long wavelength made device of 808nm infrared dot laser module makes good job as expected. It is projecting invisible infrared laser beam from inner 808nm infrared laser diode within 100mW to 400mW. After its proper use of night version device and gets constant power source of 5V, 9V 1000mA DC power supply, this infrared laser assures high efficiency infrared laser light conversion, and highly clear infrared dot alignment at various work distances effectively. The usual dot alignment with 808nm infrared dot laser module is continuing for quite long time and maintaining highly stable performance. The special use of metal heat sink cooling system and APC, ACC driving circuit board are configuring with 16mm and 26mm diameter tube. In practical infrared dot alignment within 8 to 10 hours, it enables highly stable infrared dot alignment, and no IR laser light decay. After its proper installation and adjustment of laser beam focus, within freely installed distance of 3 meters, this infrared dot laser makes easy and clear IR dot alignment constantly. Technical data: Item: Berlinlasers 808nm infrared dot laser modules Output power: 100mW, 200mW, 300mW, 400mW Laser class: IIIb Optic lens: glass coated lens Power source: 5V, 9V 1000mA DC power supply Applications: surveillance, intelligence system, military targeting, infrared laser sight etc https://www.berlinlasers.com/808nm-infrared-dot-laser-module