Multi Function Solar Generating PV Grid Inverter 1,High Efficiency 2,High surge in motor start capacity 3,Auto restart Provides 1000 and 18000 ... of display moduleUltra-clan true sine wave powerWith less than 3% total harmonic distortion, PROsine 1000 and 1800 inverters deliver ... use high-frequency switching technology in the power conversion process. Multi Function Solar Generating PV Grid Inverter