DuroMax XP4000S 7.0 HP Air Cooled OHV Gasoline Powered Portable RV Generator, 4000-watt, Red na Made in USA or Imported Durable DuroStar 7.0 Hp, air cooled OHV engine w/low oil shutoff Heavy duty steel frame with four point fully isolated motor mounts for smooth and quiet operation Full power panel with oil warning light, volt meter, circuit breaker and power outlets Power Plug Configuration:(2)-120 Volt, 20 Amp, 60 Hz-NEMA 5-20R Outlets, (1)-120 Volt, 30 Amp, 60 Hz-NEMA L5-30 Outlet 8 Hour run time