200mw Dot & Starriness 2 in 1 Blue Violet Laser Life time: >8000 hrs Wave lenth: 405nm Body material: brass Factory price 200mw Dot & Starriness 2 in 1 Blue-Voilet Laser Pointer Green, Red, Blue-Voilet, all available.1mw, 2mw, 5mw, 10mw, 20mw, 30mw, 50mw, 100mw, 150mw, 200mw, all available. BGL311 Feature:Pen style, portableWell tested and high quality laser pointerClearly visible in the ...