Generac 6462 Guardian Series, 16kW Air Cooled Standby Generator, Natural Gas/Liquid Propane Powered, Steel Enclosed, with 200-Amp Smart Automatic Transfer Switch (Discontinued by Manufacturer) Runs on Natural Gas or Liquid Propane and features hands-free operation with no manual start, no fueling, and no extension cords True Power Technology provides safe, clean and smooth operation of sensitive electronics Includes 200-Amp Service Rated Smart Automatic Transfer Switch UL, CUL, and EPA Compliant for Safety 5-Year, Limited Warranty from Generac is included