Compact and extremely powerful, with 3 microprocessor controlled intensity modes, strobe mode and the latest in power LED technology. 6000 series machined aircraft aluminum with non-slip rubberized comfort grip with anti-roll rubber ring. Unbreakable polycarbonate lens with scratch-resistant coating. O-ring sealed. C4 LED techonology, impervious to shock with a 50,000 hour lifetime. Light output: 640 lumens on high, 340 lumens on medium, 170 lumens on low. 8.41 inch length. 1.62 in major diameter, 1.17 inch body diameter. Flashlight only. Does not include battery or charger.