Machined aluminum housing anodized against corrosion. Xenon gas-filled bi-pin bulb. Up to 40,000 candlepower. Variable spot to flood beam. Up to one hour of continuous use. Available in 10 hour steady charger or 2.5 hour fast charger. Piggyback charger allows for simultaneous charging of light and battery. One year warranty on battery and charger. Limited lifetime warranty on bodyand switch.