SecurityIng&reg; P05 600 Lumens LED Tactical Gun Flashlight with 3.0V 800mA CR2 Battery Compact and lightweight design, convenient to carry. The white light will not hamper performance or shooter skill. Anodized aircraft grade aluminum weatherproof compact body design. Powered by CR2 Li-ion battery, long service life. Easy install and disassemble, and easy to use in all settings.