Multi Function Solar Generating PV Grid Inverter 1,High Efficiency 2,High surge in motor start capacity 3,Auto restart Provides 1000 and ... sine wave powerWith less than 3% total harmonic distortion, PROsine 1000 and 1800 inverters deliver true sine wave output that is ... high-frequency switching technology in the power conversion process. Multi Function Solar Generating PV Grid Inverter