Portable mini gasoline generator : OHV 4-stroke Engine, Provides high power, outstanding fuel economy. New type generator of 10% to 25% increased Output Power. large fuel tank for realize exceptionally long operating hours. Optional: Voltage: 110,220V,230V,240V,110/220V Engine: HONDA, YAMAHA, KOHLER, SUBARU-ROBIN, CHINA Engine Socket, Wheels System, Electric Start