Strion Light Only 3.6V, 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 candela (peak Beam Intensity), 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 Grooved barrel provides superior rail mount retention Serrated tailcap Extended push button on Tactical Model Rail mount available,fits long guns with 1913 (picantinny style) rails Length; 5.3" Weight; 4.6oz. Color: Black without Charger