... generator set 1.Brushless 2,confirmity with IEC34-1 3,Air-cooled 4,low fuel consumption Portable gasoline generator set1, ... Single Cylinder,2-stroke.air-cooled2,Compact in structure,low noise3,Stable voltage and ... 50/60HZRated AC Voltage: 110,120,220,230,240VENGIINE DETAILSType:Forced Air-cooled,2-Stroke,Reed Valve Portable gasoline generator set