Streamlight TLR 7 sub Weapon Light for 1913 SHORT Railed Subcompact Handguns 104111 these boots are built to these boots are built to withstand the toughest environments you'll be ready for your next mission Performance 550 lumens with 140 meter beam distance Runtime up to 1 5 hours on High Construction and Durability Durable anodized machined aluminum construction for long term reliability Controls and Features Interchangeable ambidextrous rear paddle switches for user preference Supports momentary and constant on operation Safe off feature helps prevent accidental activation and conserve battery life Mounting System Rail clamp allows fast tool free attachment and removal Designed for safe installation without placing hands in front of the muzzle Fits select Smith and Wesson Beretta Springfield Armory and Heckler and Koch 1913 subcompact handguns Power and Included Items Multi fuel design accepts CR123A battery or SL B9 rechargeable battery pack Includes CR123A battery mounting kit with keys high and low switches and multi tool Designed to enhance visibility and targeting capability in home defense and tactical situations