... ; 2.lower noise; 3.100% copper wire; 4.lower consuption 5.Factory price sample Specification ModelFSH4000NG/GTypeBrush,single-phaseVoltage Regulate AVRFrequency ... (HZ) 50/60Max.Ac Output(KVA)3.5/3.7Rated DC Voltage(V) 110,120,220,230,240Rated ... )700*525*580N.W.(KG)7020 FT unit140 Small portable home use lpg generator