... : brass Factory price 200mw Dot & Starriness 2 in 1 Blue-Voilet Laser Pointer Green, Red, Blue-Voilet, all available.1mw, 2mw, 5mw, 10mw, 20mw ... , KTV, Clubs, Concert site Specification :(1) Blue-Violet laser pointer with Star Cap(2) Wavelength: 405nm(3) Laser range: 500-8000 meters(4) Battery ...