... alert system,AVR 3.1 year warranty 4.CE,ISO,EPA approved portable gasoline generator set,gasoline generator Generating Frequency50 HZ60 HZMax ... ,230, 110,120,110/220,120/240 Engine ModelFG190, Engine Type4-strote singe-cylinder with air-cooied Max power output15.0 HPDisplacement420ccCompressin ratio8 ...