In order to make highly clear dot measurement under all kinds of night version fields, not easily to rely on any visible laser devices, it makes even better job with Berlinlasers 905nm infrared laser diode modules. It is projecting invisible infrared laser beam directly from a long wavelength 905nm infrared laser diode. When it is operating as an accessory part, equipping with night version device and AC/DC adapter with 5V, 9V operating voltage, it just makes constant infrared laser beam emission and highly clear infrared dot projection in constant use.
https://www.berlinlasers.com/905nm-5mw-50mw-100mw-200mw-300mw-400mw-500mw-infrared-laser-diode-modules
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