Product Name :power inverter Product Explain :Rating Output Power:300W Max.Output Power:600W Output Voltage:110/220V Output Frequency:60Hz/50Hz Output Waving:Simulate Sine Wave Efficiency: >90% Output Over-loading Protection:350W Input Range of voltage:10-15VDC Warning For Low-Voltage Inputing:10.3VDC Low Voltage s Protection:Yes Static State Electricity: <0.2A Over-Temperature Protection:Yes