The P2X Fury features Surefire’s auto-adjusting IntelliBeam™ Technology. A first press or click activates its intelligent sensor and microprocessor-based system to continuously evaluate and seamlessly adjust light output based on your surroundings, so you always have the light output you need, and at the same time it also preserves dark-adapted vision by never activating on high in close quarters. For tactical light output, just press or click twice to lock 600 lumens of output. M.S.R.P.  $229