The ProTac HL-X USB is a 1,000 lumen tactical light that features a tactical tail cap switch for momentary or constant on operation. The Ten-Tap programming allows you to select one of three modes of operation: 1- high/strobe/low, 2- high only, 3- low/medium/high. It is constructed of aluminum with a black anodized finish, anti-roll head, glass lens with anti-reflective coating and is gasket sealed. Includes pocket clip, holster and SL-B26 Battery Pack with USB charging cord.