SureFire Backup Series LED Flashlight with TIR Lens and Two-Way Clip LED emitter with TIR lens produces tight, far-reaching beam with enough surround light for peripheral vision Two output levels - 200 lumens on high for maximum light, and 5 lumens on low for extended runtime	Click-type - press or click for high, return to off, and press or click again within two seconds for low Two-way clip permits light to be carried bezel up or down High-strength aerospace aluminum body, Mil-Spec hard-anodized for extreme durability