Generac 6241 14,000 Watt Air-Cooled Steel Enclosure Gas Powered Standby Generator with 200-Amp Smart Transfer Switch (Discontinued by Manufacturer) Unit runs on natural gas or liquid propane and features hands-free operation with no fueling, no manual start and no extension cords Clean, smooth True Power Technology provides safe operation of sensitive electronics Includes automatic 200-Amp Smart Transfer Switch (NEMA 1, indoor rated only) 14,000 rated watts and this model is UL, CUL and EPA compliant for safety Comes with a 5-year limited warranty