This DuroMax Dual Fuel Generator provides the power normally found in stationary home standby generators in a more affordable, portable package — perfect for home backup, powering most household essentials, including lights, appliances, central air conditioning systems and more. This versatile generator runs on gasoline or propane, giving you the freedom and flexibility of selecting the most available fuel. This versatile generator is perfect for camping, RVs, tailgating and can power lights and household appliances including refrigerators, freezers and fans during power outages or emergencies. DuroMax CO Alert Technology automatically shuts down the generator if an unsafe level of carbon monoxide is detected. The powerful 439cc OHV DuroMax engine features all copper windings designed to make your generator last for years.