iMeshbean&reg; 500w Watt Grid Tie Inverter for Wind Turbine System MPPT Function 10.8V-30V AC 3 Phase In USA Total Harmonic Distortion(THD):&lt;5%;AC Output Frequency Range:46Hz ~ 65Hz Power Factor:0.99;AC Input Voltage Range : 10.8V ~ 30V (AC, not DC),Peak Inverter Efficiency: 92%;Standby Power consumption: &lt;0.5W Output Current Waveform: Pure Sine-wave;MPPT Function; Over Current Protection; Over Temperature Protection Reverse Polarity Protection; Island Protection; Stackable;Operating Temperature Range -10 ~ 45 degrees C ; Package IncludesPower inverter and Power cord Package IncludesPower inverter and Power cord