The ProTac 2L-X USB is a 500 lumen EDC tactical lights that can use either a proprietary Streamlight SL-B26 protected Li-Ion USB rechargeable battery pack or Two CR123A disposable batteries. The ProTac 2L-X USB is a completely rechargeable system that comes with a charge cord and SL-B26 protected Li-Ion USB rechargeable battery pack. The ProTac 2l-X USB light 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 lights extremely durable and abrasion resistant. Packaged with a removable pocket clip and holster.