The TLR-10 with integrated red laser includes customized ambidextrous switches with either a low or high position to match your shooting style. It features a rail clamp that is designed to rapidly attach/detach from full frame weapons. Product Features 1,000 lumens; 200m beam; runs 1.5 hours (LED only or LED/Laser); runs 60 hours (Laser only) Custom optic produces a concentrated beam with optimum peripheral illumination; integrated 640-660nm red laser Ambidextrous on/off switch Uses two CR123A lithium batteries (included) Safe off feature prevents accidental activation; saves batteries Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle Securely fits a broad range of full-sized handguns Durable, anodized machined aluminum construction User enabled strobe function 3.87" (9.82 cm); 4.62 oz. (131g) with batteries IPX4 water-resistant Limited lifetime warranty Assembled in USA