Battery Nickel-cadmium 3.6 Volt, 1.8 amp hour, recharges to 1,000 times. Bulb 3.7 Volt, 6 watt, xenon gas filled bi-pin; spare bulb in tail cap. Material Machined aluminum housing anodized against corrosion. Color Black. Comes with two chargers; one A/C and one 12 volt with car adapter. Weight (with battery) 10 ounces. Length 7.4 inches Run Time 1 hour of continuous use between chargers. Candlepower* Up to 15,000