Compact, single AAA battery powered flashlight features a tail cap switch, momentary or constant on operation, a pocket/hat clip for convenience, and amazing brightness and run time for a light of its size. Machined aluminum alloy case. Type II MIL-Spec black anodized finish. Unbreakable polycarbonate lens. C4 LED technology, impervious to shock with a 30,000 hour lifetime. Light output: 35 lumens. 3.6 inch length. 0.60 body diameter.