Champion's powerful 5500-watt generator features CO Shield carbon monoxide auto shutoff system. Equipped with dual fuel, allowing the 389cc engine to run on either gasoline or propane, it provides up to 11 hours of run time on gasoline or 6.5 hours on propane. All the outlets have covers for protection and include a 120/240V 30A locking outlet (L14-30R) as well as two 120V 20A GFCI protected household duplex outlets (5-20R). Operate your Dual-Fuel generator right out of the box on gasoline or propane, and easily switch fuels with the patent pending fuel select dial that allows for safe switching between fuel sources. Included: engine oil, oil funnel, propane (LPG) hose, wheel kit.