1.Working Charging Voltage:220V AC 2.Normal Charging Time of the Batteries:24 hours 3.Least Lighting Time of the Daylight Lamp when the Electricity is off:3hours 4.The emergency lamp uses nickel-cadmium batteries of 3.6V,1.5AH 5.The emergency lamp uses the special 8W daylight lamp 6.Size:360mmX128mmX84mm 7.Weight:1030g