Compact, sturdy aluminum body, anodized against corrosion inside and out, with unbreakable Lexan lens. 7 3/8" long, 10 oz., up to 15,000 candlepower. Comes with adjustable focus and spare bulb in end cap. 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: Machined aluminum housing anodized against corrosion inside and out; unbreakable polycarbonate lens. Color: Black Weight: (with battery) 10 ounces Length: 7.4 inches Run Time: 1 hour of continuous use between chargers. Candlepower: Up to 15,000 -AC / DC Piggyback 2.5 Hour Fast Charger Double your battery power! Now you can charge your Stinger flashlight while simultaneously charging its spare battery with the Piggyback charger.