Battery - Nickel-cadmium 3.6 Volt, 1.8 amp hour, sub-C; rechargeable up to 1,000 times. Bulb - 3.7 Volt, 6 watt, xenon gas filled bi-pin; spare bulb in tail cap. Material - Super tough, non-conductive nylon polymer with non-slip grip; unbreakable polycarbonate lens. Color - Yellow Weight (with battery) - 8.7 ounces Length - 7.4 inches Run Time - 1 hour of continuous use between chargers. Candlepower* - Up to 15,000