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: C4 LED technology, impervious to shock with a 50,000 hour lifetime 1000 lumens; 15,000 candela peak beam intensity; 245m beam; runs 1.75 hours Engineered optic produces a concentrated beam with optimum peripheral illumination Powered by two 3-volt CR123 lithium batteries with 10-year storage life Rail grip 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 Machined aluminum sealed construction with black anodized finish Ambidextrous momentary/steady on/off switch User programmable strobe can be enabled/disabled Fits existing light bearing holsters 3.39in (8.61 cm); 4.18 oz (118.6 grams) Operating temperature: -40F to +120F IPX-7 waterproof to 1 meter for 30 minutes Limited lifetime warrantySpecifications: Color: Black Beam Color: White Finish: Anodized Fabric/Material: Aircraft Aluminum Light Output: 1000 lumens Battery Type: CR123A Bulb Type: LED Weight: 4.18 oz Battery Life: 1.75 hours Beam Distance: 245 m Length: 3.39 in Package Type: Box Included Accessories: Lithium Batteries, Rail Locating Keys Application: Tactical Water Resistance Level: IPX-7 Streamlight TLR-1 HL Flashlight Rail keys Batteries