Battery: Nickle-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 indestructible machined aluminum housing anodized against corrosion inside and out; unbreakable polycarbonate lens.
Weight (with battery): 14.6 ounces
Length: 8.625 inches
Run Time: 1 hour of continuous use between chargers.
Candlepower*: Up to 40,000
Special Features: 100V, 120V, 230V or 240V AC, or 12V DC Standard or Piggyback chargers in 10 hour or 2.5 hour Fast Charge models. Tailcap switch lets you choose between momentary or constant operation.