The new TLR-8A includes customized ergonomic switches featuring a low or high position to match your shooting style. It features an ambidextrous on/off switch and a rail clamp that is designed to rapidly attach/detach from the side of compact and full frame weapons. Its low-profile design prevents snagging and a "safe off" feature prevents accidental activation, saving batteries. Features: Features white LED and 640 - 660 nm red laser Laser only runs 18 hr Ambidextrous on/off rear switch in two configurations - low or high, to match your shooting style TLR-8 side switch model cannot be retrofitted to the TLR-8A rear switch models Uses (1) CR123A lithium battery (included) Safe off feature on bezel 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 and compact guns Durable, anodized machined aluminum construction User enabled strobe function IPX4 water-resistant Operating temperature -20 to +120 deg F Limited lifetime warranty Includes high switch mounted on light plus low switch in package, CR123A lithium batteries and key kit Assembled in USA