1.Rechargeable digital lighting kit. 2.Emergency back up to system. 3.FM radio. and able to use up to 5CFL bulb at a time (total wattage is 100W) 4.Able to charge 5SMPS based items at a time. eg:mobile charger 5.Conveniently replace MFLA battery(recommended 12v9Ah) 6.Ready to use any extra 12V MFLA battery through external wire connection. 7.Warming alarm sound when battery is low. 8.Sound signal when the power is cut 9.Wide Voltage range 110V-270V 10.Overcharge /Discharge 11.Build in socket for CFL bulb,build in 5standard pin 12.Indicators for power, inverter, charging, and low battery