SureFire X300 Turbo Screw Rail Mount

3.76" overall. Water resistant. Impact resistant. 650 lumens with 1.5 hour runtime. 514m beam distance. 66,000 candela. Acceptsoptional pressure-activated DG and XT remote switches for precision control without altering grip on weapon. Turbo beam pattern. Integral ambidextrous momentary- and constant-on switching provides easy instant activation. T-slot thumbscrew clamp attaches securely to both Universal and Picatinny accessory rails. Requires (2) CR123A batteries (included). Aluminum construction. Color: Black. Boxed with hanging tab.