Firman H08052 10000/8000 Watt 120/240V dual fuel portable generator. The unit is equipped with CO alert technology, providing protection against carbon monoxide exposure. Offering an electric start 74dB that will run for 12hrs on an 8-gallon fuel tank and is California emissions certified. Our Max Pro series 439cc engine runs cool and efficiently due to itsPhoenix fat head block. Our hybrid series runs on both gas and propane, has a 5.5ft propane hose for use with larger propane tanks, 10" wheel-kit with folding handle, and 3-in-1 data minder measuring hrs., volts, and hertz. Includes oil, funnel, operator's manual, and spark plug wrench. 3-year warranty.