Firman® Dual Fuel 4500W Portable Electric Start 120V Generator. 4550 starting Watts and 3650 running watts (4100/3300 LPG). Power is supplied by the Max Pro Series 208cc FIRMAN engine which runs cool and efficiently. Whisper Series muffler keeps the H03651 running at a quiet 67 decibels 0 well below the standards set by the National Parks Service, and the spark arrester has been approved by the USDA Forest Service. 5-gallon fuel capacity provides a whopping 14 hours of run time. Runs on gasoline or propane fuel, giving you flexibility while out on the road or during an emergency. H03651 comes standard with