The TLR-1 HL provides an 1,000 lumen blast of light for maximum illumination while clearing a room or searching an alley. Its wide beam pattern lights up large areas so you can identify who or what is nearby Features: 1,000 lumens; 283m beam; runs 1.5 hours Rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of the muzzle Mounts directly to handguns with Glock-style rails and to all MIL-STD-1913 (Picatinny) rails Includes keys for Glock-style, Picatinny, Beretta 90two, S&W 99 and S&W TSW and Sig P320 Durable, anodized machined aluminum construction Ambidextrous momentary/steady on/off switch User programmable strobe can be enabled/disabled Engineered optic produces a concentrated beam with optimum peripheral illumination Fits existing light bearing holsters IPX7 waterproof to 1m for 30 minutes Powered by two CR123A lithium batteries (included) 3.39" (8.61 cm); 4.32 oz (122.5g) Limited lifetime warranty Assembled in USA Specifications: High Lumens: 1,000 Run Time: 1.50 hours Beam Distance: 283 meters Battery Type: CR123A Lithium Battery Quantity: 2 Length: 3.39 inches (8.61 centimeters) Weight: 4.32 ounces (122.47 grams) Colors: Black