The ProTac HL-X USB is a 1000-lumen tactical flashlight that can use either a proprietary Streamlight SL-B26 protected Li-Ion USB rechargeable battery or two CR123A disposable batteries. The ProTac HL-X USB is a complete rechargeable system that comes with a charge cord and SL-B26 protected Li-Ion USB rechargeable battery that features an integrated micro-USB charge port. The ProTac HL-X USB features a tactical tail cap switch for momentary or constant on operation, three different user-selectable programs, and a pocket clip for convenience. The aluminum housing with Type II Military Spec anodizing helps make the light extremely durable and abrasion resistant.