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. Features: Custom optic produces a concentrated beam with optimum peripheral illumination, integrated 640 to 660 nm red laser Ambidextrous on/off switch Uses (2) 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 IPX4 water-resistant Limited lifetime warranty