Streamlight ProTac Railmount HL X Laser USB 400 The front features stars while The front features stars while the back features a complimentary stripe pattern Performance 725 lumens with 175 meter beam distance Runtime up to 1 hour 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 SL B9 battery USB C cord mounting kit with keys high and low switches and multi tool Designed to enhance visibility and targeting capability in home defense and tactical situations Manufacturer part #: 88090 mounting hardware