Brand : CONSTEN Type : HZQ202 Material : Aluminum alloy 6N01-T6 Lamp : 3W Xenon lamp Max output : 45 lumens Battery type : 1 CR123A (not included) Voltage : 3V Specification : 100mmX32mm Effective range :100m Weight : 85g O-ring sealed, Waterproof Tail cap On/Off switch Ideal for Police, power failure, emergency, housework, traveling, camping, etc.