Operation Completely Self-contained
Input Voltage 110V-127V 50/60Hz;220V-240V 50/60Hz
Charging Current 200mA for 20w
Lamp type 20w Led Tube
Battery Li-ion Battery 14.8V 4.5Ah for 20w Led Tube
Indicator Three Colors In 1 LED Indicator, Red Indicates charging, Green Indicates Emergency Mode, Yellow Indicates battery failure;
Duration Time More than 2 hours
Construction Electro-Galvanized Steel Casing of High Reflectance Finished with Corrosion Resistant Epoxy Spray Coating;
Weight 0.3kg(Excluding Batteries) http://www.dreamylighting.com