Its ultra-compact, just 4.6 oz., but it's as bright as lights 5 times its size, thanks to an innovative lithium ion rechargeable battery and xenon bulb. *6 watt xenon gas-filled bi-pin bulb; spare bulb in tailcap *Lithium ion 3.75V battery with on-board safety control circuit *Up to 70 minutes continuous use between charges *Up to 12,000 peak beam candlepower, 116 lumens *Adjustable focus beam *Rechargeable up to 300 times on 100V, 120V, 230V, 240V AC, or 12V DC chargers *Clamp-style charger holder with digital control circuit that prevents over charge; LED indicates charge status. Fully recharged in 2.5 hrs. *Momentary and constant-on modes *5.3 inches, 4.6 oz *Black