Surefire G2L-Single-Output LED Flashlight 120 lumens 2011 Model + 2 Extra Batteries Virtually indestructible LED emitter regulated to maximize output and runtime Precision micro-textured reflector creates smooth, optimized beam Coated tempered window resists impact, maximizes light Tough, lightweight Nitrolon body with deep grid pattern for secure grip, aluminum bezel Tactical tailcap switchpress for momentary-on, twist for constant-on. Includes 2 + 2 extra high-energy 123A batteries with 10-year shelf life