Sleek compact pen sized, two AAA battery powered flashlight features a tail cap switch, momentary or constant on operation, a pocket clip for convenience, and amazing brightness and run time for a light of its size. Machined aluminum alloy case. Type II MIL-Spec anodized finish. Unbreakable polycarbonate lens. C4 LED technology, impervious to shock with a 30,000 hour lifetime Light output: 65 lumens. 5.3 inch length. 0.60 inch body diameter.