In order to get quite satisfied dot alignment at long extending distance, it should be a quite nice job to operate Berlinlasers 50mW to 100mW 445nm blue laser diode module. Employed by an import blue laser diode and thermal emitting system inside a high duration metal housing tube, it enables quite easy carrying, and long lasting blue dot alignment as long as 25 meters. After its correct use of output power and freely adjusted dot diameter, it brings users the best dot measuring solution for laser show, laser displaying, laser communication and high tech work etc.
https://www.berlinlasers.com/445nm-blue-laser-diode-module
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