200mw Dot & Starriness 2 in 1 Blue Violet Laser Life time: >8000 hrs Wave lenth: 405nm Body ... Factory price 200mw Dot & Starriness 2 in 1 Blue-Voilet Laser Pointer Green, Red, Blue-Voilet, all available.1mw, 2mw, 5mw, 10mw ... fieldBusiness person , Conference SpeakerBars, KTV, Clubs, Concert site Specification :(1) Blue-Violet laser pointer with Star Cap(2) Wavelength: 405nm(3 ...