The Tactical Hunter 210 is ultra powerful lithium light with a tactical end-cap switch. This is a special lockout feature that keeps them from turning on when packed tightly with other gear. The rugged, lightweight aluminum housings are double-O-ring sealed, and the specialized K-2 lens and reflector design projects a unique diamond-shape bean that covers 25% more area than conventional round beams. Includes two colored filters 1 red 1 blue and two lithium batteries.