Power Failure Test Button Surface Mounted Led Emergency Light Product Specification Operation Maintained or Non-maintained Input Voltage 110V-127V 50/60Hz;220V-240V 50/60Hz Charging Current 120mA(Nominal) Lamp type 15 pcs DIP white LED Battery Nickel-Cadmium Battery 3.6V 0.6Ah Indicator Red LED Indicates Charging Duration Time More than 3 hours Construction Fire-Retardant ABS Casing and Plate; PS Diffuser IP Rate IP20 Installation Wall Surface Mounted, Ceiling Surface Mounted Weight 0.683kg Working Temperature -10â?? to 60â?? Size 345mmÃ?118mmÃ?80mm Tolerance ±0.03mm Customization Battery, Duration Time, Package Package Information Package 1 Set in 1 Inner Box 10 Sets in 1 Outer Carton Outer Carton Size 450mmÃ?380mmÃ?280mm Gross Weight 7.9KG Net Weight 6.2KG