The Champion Power Equipment 10,000/8,000-Watt Dual Fuel Generator is the perfect combination of versatility and convenience. Whether you need power for your home or next project, this portable generator makes powering your life more convenient than ever. The convenient electric start includes a battery, plus Cold Start Technology ensures a quick start in cold weather. Easily monitor power output and track maintenance intervals with Intelligauge, which allows you to keep track of voltage, hertz and run-time hours. Designed with a low oil shut-off sensor, this compact generator includes 1.2-quarts of 10W-30 oil. Operate your Dual-Fuel generator right out of the box on gasoline or propane, and easily switch fuels with our patented fuel selector switch that allows for safe switching between fuel sources. Using gasoline, the 458cc Champion engine produces 10000 starting watts and 8000 running watts, and will run for 10 hours at 50% load when the 7.7-gallon fuel tank is full. It produces 9000 starting watts and 7200 running watts, and will run for 5 hours at 50% load when using a 20-pound propane tank.