Layman TacStar T6 Tactical Caliber Light (6V LED) 150 Lumen Ideal for tactical use or home security. Features a precision knurled exterior of aircraft grade aluminum and double o-ring for a perfect grip. The unique tail switch allows intermittent or "full" on mode. No other 6 volt light exceeds brightness of the T6 with factory pre-set spot is so powerful it can blind intruders on sight. Illuminates up to 150 yards in the dark. Features also include water resistant, matte black anodized finish with rubber tail switch. Batteries included. Uses 2-3V Lithium batteries.