Have a reliable light source right on your keychain with the black I3E EOS Flashlight from Olight. This compact light has a handy attachment point on the back, and it has a small 0.6 by 2.4" footprint to fit easily in your pocket. A Philips LUXEON TX LED emitter combines with a Total Internal Reflector lens to deliver 90 lumens of light in a homogeneous beam pattern. Turning the light off and on is quickly accomplished by rotating the head. A MIL-STD type III anodized aluminum alloy housing is impact resistant and waterproof to 6.5'. One AAA battery provides a runtime of up to 1,2 hours.