Surefire Backup Tactical Switch Dual Output LED Flashlight High-strength aerospace aluminum body, Mil-Spec hard-anodized for extreme durability Virtually indestructible LED emitter regulated to maximize output and runtime Two output levels  high of 200 lumen for maximum light, low of 5 lumens for extended runtime TIR lens produces tight beam with enough surround light for peripheral vision Two-way clip permits light to be carried bezel up or down