Hampions ultra powerful 8000 W generator with electric start features dual-fuel, allowing the 458 cc engine to run on either gasoline or propane. Featuring intelligauge, volt guard™ and cold start technology, it provides up to 10 hr of run time on gasoline or 5 hr on propane. The champion power equipment 201062 8000 W dual-fuel portable generator is the ideal combination of versatility and convenience. Whether you need power for your home or next project, champion power equipment 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 output and track maintenance intervals with intelligauge, which allows you to keep track of voltage, frequency and runtime hours. Designed with a low oil shut-off sensor, this unit includes 1.2 qt of 10 W 30 oil. Operate your dual-fuel generator right out of the box on gasoline or propane and easily switch fuels with our patent pending fuel select dial that allows for safe switching between fuel sources. Using gasoline, the 458 cc champion engine produces 10,000 starting watts and 8000 running watts and will run for 10 hr at 50% load when the 7.7 gal fuel tank is full. It produces 9000 starting watts and 7200 running watts and will run for 5 hr at 50% load when using a 20 lb propane tank. Also included is a 6.5 ft propane hose with a built-in regulator. With a noise level of 74 dBA from 23 ft, which is a bit louder than a vacuum, this machine can provide home backup in an outage, plus the volt guard™ protects your generator from electrical voltage spikes. Champions thoughtful packaging and clear directions make setup hassle-free, plus the foldaway u-shaped handle makes it easy to store, while the never flat tires in the included wheel kit make transport a cinch.