Designed to meet the needs of hard-use professionals, the X300T-B Turbo Weapon Light delivers a stunning 66,000 candela of intense, tightly focused, far-reaching white light to help you positively identify threats at extreme distance. The precision-engineered Turbo reflector throws a bright beam out to an astonishing 514 meters, with a center inchhot spot inch to illuminate your target along with a wide corona to shed light into the darkest corners. Ambidextrous switches provides both momentary- and constant-on activation options, and the X300T-B is compatible with SureFire's optional pressure-activated DG and XT remote switches (sold separately) for precision control without altering grip on weapon. The Light is precision machined from aircraft aluminum, hard-coat anodized to military specifications, and 100% waterproof to IPX7 standards. This model features a thumb screw mount that attaches quickly and easily to Universal and Picatinny rails. Designed for handguns High-performance LED generates 650 lumens Throws a focused beam out to 514 meters Precision-engineered Turbo reflector delivers a tightly focused beam with a center inchhot spot inch along with diffuse secondary lighting to shed light into the dark corners Aerospace aluminum body with mil-spec hard-anodized finish 100% waterproof to IPX7 standards Ambidextrous momentary- and constant-on switching Operates on (2) 123A lithium batteries (included) 1.5 hours of run time Thumb screw mount securely to both Universal and Picatinny accessory rails