The Klarus XT10 Flashlight w/ Dual Button Tail Switch is built for quick, one-hand operation. This tactical flashlight offers three operating modes plus a flashing strobe mode, a maximum output of 470 lumens, powered by two CR123A batteries. The Klarus XT10 LED Flashlight is built around a CREE XM-L LED bulb with a lifespan of 50,000 hours, so the flashlight will last as long as you do. The Klarus XT10 LED Flashlight is made for easy operation, with a forward-mounted tactical switch with momentary activation. An attached Clip for makes for easy hands-free operation, and the Klarus XT10 Flashlight is waterproof to IPX-8 Standard (2 meters). This compact tactical light puts put a remarkably smooth beam with a perfect balance of beam throw and spill, its output digitally regulated to keep a constant brightness.