The Broil King® Imperial™ S 470 built-in grill features 500 sq. in of primary cooking surface and includes 4 stainless steel Dual-Tube™ burners, 4 professional cast stainless steel cooking grids, stainless steel warming rack, stainless steel Flav-R-Wave™ cooking system, electronic igniter, oven lights, illuminated control knobs, and stainless steel ignition switch.