The TLR-1 HP provides 1,000 lumens of light for maximum illumination. Its wide beam pattern lights up large areas so you can identify what is nearby. Featuring the latest in shock-proof LED technology and providing 1.75 hours of continuous run time. 1,000 lumens; 1.75 hour run time; 65,000 candela; 510m beam distance Powered by two (2) 3-volt CR123A lithium batteries Packaged as a kit, offering everything you need to mount to your long gun Includes keys for GLOCK-style, Picatinny, Beretta 90two, S&W 99, S&W TSW and Sig P320 rails One handed snap-on & tighten interface keeps hands away from muzzle when attaching/detaching 6,000 Series machined aircraft aluminum with black anodized finish Double tap of momentary paddle within 0.4 seconds activates strobe. Strobe can be disabled Ambidextrous momentary/steady On-Off switch Mounts directly to handguns with Glock-style rails and to all MIL-STD 1913 (Picatinny) rails IPX7-rated design for waterproof operation Extensively live-fire tested impact resistant construction 3.39 in (8.61 cm); 4.32 oz (122.5g) Available in Black Limited lifetime warranty Assembled in the USA