The nightstick tac-300 is a non-rechargeable LED tactical polymer flashlight that outperforms most other lights that cost twice as much. With a cree LED rated at 180 lumens and its high-efficiency deep parabolic reflector, the tac-300s beam has an effective range of 190 meters (over 620 feet). its waterproof design in combination with its impact and chemical resistant glass-filled nylon polymer housing, make the tac-300 one of the toughest tactical lights around. The large tail-cap switch provides momentary or constant-on light operations. Running on a pair of included CR-123 lithium batteries, the tac-300 is rated at 3 hours of runtime. Features include: cree LED technology 50,000 + hours LED life, momentary or constant-on flashlight, sharp focused beam, glass-filled nylon polymer housing - black, aircraft-grade 6061-T6 aluminum tail-cap with type 3 hard anodized finish, non-slip grip, large textured tail-switch, 1 handle diameter fits most scope/flashlight mounts, 1.25 head diameter