Four Cast Stainless Burners, Upgraded Commercial Knobs, 7.5 MM Dia.Potato Rack, Two Halogen Internal Lights, 36" Solid Stainless/Ceramic Hi-Heat Rear Burner, Stainless Rotiss Motor & Hvy Forks/Rod, 72,500 BTU's, 840 Primary & 336 secondary for 1180 Sq.In. Area, Grilling Zone Separators Stainless Flame Tamers, Sure- Strike Ignition W/Shields. Fuel Type is Field Convertible for future changes. LP gas models require purchasing hose and regulator.