The ProTac HLX USB is a 1000 lumen tactical light that features a tactical tail cap switch for momentary or constant on operation. The TenTap programming allows you to select one of three modes of operation 1 highstrobelow 2 high only 3 lowmediumhigh. It is constructed of aluminum with a black anodized finish antiroll head glass lens with antireflective coating and is gasket sealed. Includes pocket clip holster and SLB26 Battery Pack with USB charging cord.