The ProTac HL-4 produces 2,200 lumens with a wide beam pattern that will illuminate an entire area. It offers the latest in power LED technology and three different user selectable programs. The Ten-Tap programming has three operating modes: 1- high/strobe/low, 2- high only, 3- low/medium/high. It is constructed of aluminum with anodized finish, rubber sleeve for sure grip, glass lens with anti-reflective coating and is gasket sealed. Included are four CR123A lithium batteries and wrist lanyard.