Streamlight TLR-1 HL Long Gun Kit Tactical Weapon Light - Black - The TLR-1 HL provides 1,000 lumens of light for maximum illumination. Its wide beam pattern lights up large areas so you can identify what is nearby. 1,000 lumens; 20,000 candela; 283 m beam distance 1.5-hour run time Powered by two (2) 3-volt CR123A lithium batteries Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of the muzzle Includes safe off remote door switch, remote pressure switch, mounting clips,standard door switch, and lithium batteries 6000 Series machined aircraft aluminum with black anodized finish User-programmable strobe Ambidextrous momentary/constant on operation Fits most existing light bearing holsters IPX7-rated design for waterproof operation 3.39in (8.61cm) L x 1.47in (3.73cm) W x 1.44in (3.65cm) H 4.32oz (122.5g) Black