SureFire E1D Defender Dual-Output LED Flashlightbr Two output levels-300 lumens on high for maximum light 5 lumens on low for extended runtime br Virtually indestructible LED emitter regulated to maximize output and runtime br TIR lens produces tight far-reaching beam with enough surround light for peripheral vision br Strike Bezel provides personal defense option br Dual-output tail cap click switch-press for momentary-on high click for constant-on high return to off then press or click again to select low