*Specification :<br> DC Input Voltage: 48V<br> AC Output Voltage: 110V & 220V <br> Regulation: ±5% <br> Frequency: 60HZ±3% <br> Efficiency: 90% <br> Output Wave Form: Pure Sine Wave <br> Temperature Protection: 70C <br> Input Low Voltage Alarm: 42V<br> Input Low Voltage shutdown: 41V<br> Input High Voltage Alarm: 59V<br> Input High Voltage shutdown: >60V <br> Certificate: CE <br> *Warranty: 1 year (Winthin one month since the customer receive this, if the inverter has problem, just contact me on the details, we can send the parts with free charge only one time. If over one month to one year, the shipping cost for the parts will be paid by the customer, but the parts is free.)<br> *Note: As this unit could have parts loosing caused during transportation, so please DO check item carefully before testing. If the inverter is damaged by the courier seriously please report this to the courier right away.<br> *If customer needs to use refrigerator, can switch the mode to power save on, as refrigerator only will work every half an hour or one hour , but inverter stay in power save function, no load current is 0 amp, will save power.<br>