The Rebel 9 Watt LED Handheld is powered by a 2.6 amp Li-ion rechargeable battery pack. Burntime is 3.5 hours and outputs 600 lumens at 5600 kelvin. Emitter life is 50,000 hours and has a 6 degree focused beam. Comes with an elastic handmount for hands free diving. It is 7.5"(19cm) in length and 1.8"(4.5cm) in diameter. Weights in at .9 lbs.(400g). The charger accepts 90 to 240 volt input and recharge time is 2 hours from a complete discharge. Additional battery packs are available.