Champion 7500-Watt Dual Fuel Portable Generator with Electric Start Dual Fuel  Operate your 7500-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 1.2-quarts of oil (included) and has a low oil shut-off sensor Electric start  Power up the 439cc Champion engine with the handy toggle switch, battery included Intelligauge  Keep track of voltage, hertz and run-time hours to easily monitor power output and track maintenance intervals.1.5 Inch dia. tubular steel frame for protection and durability Powerful  At 9375 starting watts and 7500 running watts on gasoline and 8400 starting watts and 6750 running watts on propane, trust Volt Guard built-in surge protector to prevent overloads Champion Support  Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts