Lifan ESI 4000iER "EFI" Quiet 4100 / 3800 Watts Gas Portable Inverter Generator RV Electronic Fuel Injected 3yr Residential Warranty 1 yr Commercial Surge 4100 Watt Output Rated 3800 Watt Output Electric Start with Remote Key Fob (included) Super Quiet  57 Decibel Sound Rating at 23ft. (7m) 12 Hour Run Time (@ 50% Load)