Dual Fuel: Operate your 7500-watt portable generator right out of the box on either gasoline or propane, plus features CO Shield carbon monoxide auto shutoff system Electric Start: Power up the 439cc Champion engine with the handy rocker switch, battery included Intelligauge: Keep track of voltage, hertz and run-time hours to easily monitor output and track maintenance intervals Powerful: At 9375 starting watts and 7500 running watts on gasoline and 8400 starting watts and 6750 running watts on propane, trust Volt Guard to protect your generator from electrical voltage spikes Champion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts