SureFire G2X Pro 6-Volt Led Dual Stage Click Style  Flashlight 200 Lumens of High Output for 2 Hours; 15 Lumens of Low Output for 45 Hours Precision micro-textured reflector creates smooth, optimized beam Virtually indestructible LED emitter regulated to maximize light output and runtime The tough Nitrolon polymer body is smoothly sculpted for a comfortable, secure grip and resists scratches, abrasion, and corrosion. Tactical tailcap switchpress for momentary-on, twist for constant-on