Model TL020BN Operation Non-maintained Input Voltage 110V-127V 50/60Hz;220V-240V 50/60Hz Charging Current 120mA(Nominal) Lamp type 2×10 pcs SMD white LED Battery Nickel-Cadmium Battery 3.6V 2.5AH Indicator Red LED Indicates Charging while Green LED indicates for Power On Duration Time More than 1.5 hours Construction Electro-Galvanized Steel  Casing, ABS Head,PS Diffuser IP Rate IP20 Installation Wall Surface Mounted Weight 3.5KG Working Temperature -10℃ to 60℃ Size 272*80*301MM Tolerance ±0.03mm Customization Battery, Duration Time, Package  http://www.dreamylighting.com