The Napoleon prestige 500 Natural gas grill with infrared side constructed From high-quality Stainless Steel, This cart Model has the capabilities of a full outdoor kitchen. With four main burners, an infrared rear under the lid, is the same quality Stainless Steel Used for the basin, tube burners, DUAL-LEVEL sear plates, the Prestige series grills come with the safety glow feature where the control knobs glow red When the burner is on.