Generac Guardian Series 5882 8,000 Watt Air-Cooled Liquid Propane/Natural Gas Powered Standby Generator Without Transfer Switch (Discontinued by Manufacturer) Convenient, hands-free operation with no fueling. No manual start. No extension cords. Runs on natural gas or liquid propane. Clean, smooth True Power Technology provides safe operation of sensitive electronics. Does not include transfer switch 8,000 Rated Watts CARB Compliant