The DuroMax Dual Fuel Generator runs on gasoline or propane, giving you maximum freedom and flexibility. With a 460cc OHV DuroMax engine, this workhorse provides the power normally found in stationary home standby generators in a more affordable, portable package — it can power most household essentials such as lights, appliances, and even central A/C systems during any power outage, storm, or emergency event. DuroMax CO Alert Technology automatically shuts down the generator if an unsafe level of carbon monoxide is detected. All copper windings designed to make your generator last for years.