The Stinger family of flashlights are small in size but huge in light output. They produce 15,000 candlepower in a 7" package. This is a new industry standard carried by almost all law enforcement officers. The Stinger is brightest flashlight ever made for its size. The Stingers are the number one selling rechargeable flashlights in the United States. The Poly Stinger is lighter, non-conductive version of our original Stinger. Almost indestructible polymer case, up to 15,000 candlepower. The Polystinger is available in Black, Yellow, and Olive Drab *All Piggyback configurations allow for simultaneous charging of light and battery and include additional battery stick. 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. Material Virtually indestructable machined aluminum housing with non-slip rubber grip; unbreakable polycarbonate lens. Color Black Weight(with battery) 11.1 ounces Length 7.7 inches Run Time 1 hour of continuous use between chargers. Candlepower* Up to 15,000 Special Features Same charging features as Stinger®. Tailcap switch lets you choose between momentary or constant operation.