Handheld UltraFire WF-501B G74 7.4V 16340 CR123a Xenon Flashlight Torch Lamp Material: High quality 6061T Aluminium Crenellated strike bezel for enhanced self-defense Also designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment Bulb: Xenon 7.4V/1.2A 100 LUMEN Batteries(Not Included): Lithium 2xCR123A 3.0V/3.6V/3.7V battery