New Gatlin Green laser 200mW/waterproof/adjustable

This newly-designed laser features a waterproof housing and adjustable focus lens. The 200MW green beam is very visible at night, and capable of being seen for miles. The internal laser diode features a good heatsink.With a sturdy construction and looks to kill, this laser will impress your both your friends and family and provide you with hours of enjoyable use.

Specifications:
1) Wavelength: 532+/-10 nm
2) Working voltage: DC 3.7-4.2V
3) Working current: < 500mA 
4) Laser shape: Dot
5) Dimensions: 40(dia.) x112 (L) mm
6)Click on –off button
7)Operation temperature range: 20°C-35°C
8)Storage temperature:-10°C-50°C
Upgrade metal box packing and CR123A Lithium battery included

note :battery "+" towards tail cap ,battery "-" towards inside