ONE YEAR WARRANTY! The latest tri-fuel technology allows this generator to run on gasoline, propane, or natural gas right out of the box! It offers you up to 240 volts of power and electric or recoil start to be sure to get things going. This generator is great for use at home, work sites or for recreation. It's smaller size allows it to moved where you need power, when you need. It comes with the wheel kit, which makes it even easier to move. Specifications: Surge wattage: 4400 watts, Max wattage: 4000 watts, and Running wattage: 3500 watts; Rated frequency: 60 Hz; Engine: 7 Hp, air-cooled OHV, (electric or recoil start with low oil shut down); Fuel Types: Gasoline, Propane and Natural Gas; Gasoline Tank: 4 gallons with built in fuel gauge; Built-in propane regulator with 3 foot of hose; Operational Panel: -Key switch, -Low oil indicator light, -Run time hour meter, -Overload protectors, -(2) 120v/20amp (NEMA 5-20R t-slot outlets), -(1) 120v/240v/30amp (NEMA L14-30R outlet), -(1) DC 12v/8.3 amp, - Voltage selector, -Ciricut breaker switch; EPA Emission Standard Approved; Some minor assembly required.