Solar power generation sys. ISO9001,CE,TUV,CEC, ... install and good for environment. TECH SPECS:PV POWER GENERATION INVERTER: Output power300WSystem voltageDC 12VOutput voltageAC 220V ± ... waveformsine waveDistortion Output frequency50HZAllowable overload125%-360W,30S Surge power 340w above Until the short circuit, 3 ... .Regards:NickHQ-EVER CO., Ltd Solar panel and inveter power Generation System for Home