This long range, lithium battery powered Gun-Mounted Tactical Light features the latest in shock-proof power C4 LED technology and provides 1.75-hours of continuous regulated run time. The Streamlight TLR-1 Game Spotter features a green power LED combined with a deep-dish parabolic reflector to produce an intense hot-spot that provides full game identification, preserves night vision and wont spook game. The rail clamp is designed to rapidly attach/detach from the side of a weapon. A tethered battery door and latch mechanism that prevents battery door loss while providing easy battery replacement. Models available with either standard door switch or remote door switch.