Streamlight Pro Tac HL USB, Rechargeable Light, C4 LED, 1,000 Lumens, TEN-TAP Programming, 1x 18650/2x CR123/1x 74175 Battery, Includes USB Charging Cord, Nylon Holster, Black 88052 USB rechargeable" high lumen tactical light features multi-fuel design. It accepts multiple battery sources to use as a back up so you'll always have power when you need it. Now shining brighter at 1"000 lumens.