The Streamlight UltraStinger Xenon Flashlight produces one of the brightest beams on the market without the need for traditional batteries. This handheld flashlight runs on a rechargeable 6-volt battery, which is rechargeable up to 1,000 times and fully charges in 10 hours (charger not included). Built for serious tactical and outdoor use, the UltraStinger is made of machined aircraft aluminum that has been anodized against corrosion both inside and out. An unbreakable polycarbonate lens protects the bright xenon halogen bulb for years of use! Illuminate your path while cutting back on costly batteries with the Streamlight UltraStinger!