Model BF13A Operation Completely Self-contained Input Voltage 110V-127V 50/60Hz;220V-240V 50/60Hz Charging Current 120mA(Nominal) Lamp type T5:14W - 35W Energy Saving Lamp Battery Nickel-Cadmium Battery 2.5V/4.8Ah (suggested) Indicator Red LED Indicates Charging Duration Time More than 3 hours Construction Electro-Galvanized Steel Casing of High Reflectance Finished with Corrosion Resistant Epoxy Spray Coating; Weight 0.4kg http://www.dreamylighting.com