The TLR-7 weapon-mounted tactical light is ultra-lightweight and low-profile, features the latest in LED technology and provides 1.5 hours of continuous runtime from a single lithium battery. The rail clamp is designed to rapidly attach/detach from the side of compact and full-frame weapons. It is constructed of aluminum with an anodized finish, polymer housing, Borofloat glass lens, and ambidextrous push-button side switch. Included is one CR123A lithium battery.