Made in CHINAn3 1/4 inch overallnClear cylindrical housingnLED lighting source is viewable from 360°nHigh impact resistant designn3 1/4" overall. Clear cylindrical housing. LED lighting source is viewable from 360. High impact resistant design. 11 modes: Equal Flash, Beacon Strobe, Fast Strobe, Slow Strobe, SOS, Pulse, Half Flash, Bounce, Ramp Up, 100% constant on and 25% constant on. Push button tailcap switch is splash proof. Working temperature: 14F to 176F. Depending on mode selection, battery life could last up to 100 hours. Includes black nylon detachable lanyard and black stainless twist on/off waterproof cap with split ring that is waterproof to 11,500 ft. Uses one CR123A battery (included). Perfectly suited for any dark environment, whether it be camping trips or military use. Hang packaged.