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 accepts 3rd party filters, Waterproof, Impact & chemical resistant, Powered by 2 CR-123 Lithium batteries (included) and it comes with a Removable pocket clip.