Designed to enhance visibility and targeting capability in home defense and tactical situations, the lightweight TLR-7 sub weapon light is designed to securely attach to select 1913 short railed subcompact handguns. The compact light securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle and features a "safe off" to prevent accidental activation. It shines at 500 lumens with a 140m beam and runs 1.5 hours. It features an ambidextrous rear switch and uses one CR123A lithium battery (included). The weapon light securely attaches to select Smith & Wesson, Beretta, Springfield Armory and Heckler & Koch 1913 short railed subcompact handguns. The safe off feature prevents accidental activation and saves batteries. The rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle. It also features a durable, anodized machined aluminum construction.