The Nightstick TAC-350 is a 2 CR123 LED Tactical Polymer Flashlight that outperforms most other lights that cost twice as much. With an LED rated at 180 lumens and its high-efficiency deep parabolic reflector, the TAC-350s beam has an effective range of 190 meters (over 620 feet). Its waterproof design in combination with its impact and chemical resistant aircraft-grade 6061-T6 aluminum housing, make the TAC-350 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 CR123 Lithium batteries, the TAC-350 is rated at 3 hours of run-time.