Streamlight TLR-1 HPL Weapon Light - The high lumen, rail-mounted TLR-1 HPL produces a wide, 1,000 lumen beam pattern with brighter peripheral illumination and superior down-range performance. 1,000 lumens; 490m beam; runs 1.5 hours Mounts directly to all MIL-STD-1913 (Picatinny) rails and weapons with Glock-style rails Includes rail locating keys for mounting to a variety of rails Tethered battery door and latch mechanism prevents battery door loss while providing easy battery replacement. Deep dish parabolic reflector produces long-range targeting beam with optimum peripheral illumination Durable anodized aluminum construction Unbreakable polycarbonate lens with scratch-resistant coating IPX7 rated design; waterproof to 1m for 30 minutes Serialized for positive identification Powered by two CR123A lithium batteries (included) Length with standard switch: 4.83in. (12.27 cm) Length with remote switch: 5.25in (13.34 cm) 5.6 oz (158.8g) with standard switch and batteries