Specifications Max Output 100 .0 lumens Low Output / Runtime 2 .0 lumens / 175 hours Tactical Runtime* 2 .0 hours Length 6 .00 inches Bezel Diameter 1 .47 inches Weight w/Batteries 5 .7 ounces Batteries 2 123A Features Virtually indestructible LED emitter regulated to maximize output and runtime Six output levels—highest for maximum light, lowest for longest runtime Precision micro-textured reflector creates smooth, optimized beam Coated tempered window resists impact, maximizes light Hig