1,Wavelength 532nm green 2,Output 5mW 12mW 20mW 3,Battery One CR1/2AA Lithium Battery 4,30mts waterproof 5,military level Green laser sight for rifle and pistolKey Features:GREEN 532nm laser beam for the brightest green laser possible Wide Operating Temeprature range means the sight fit for many tough places! Four point alignment system for the most accurate and true holding zero Waterproof to 30 ...