The Broil King® Imperial™ S 470 Built-In series features 500 sq. in. of primary cooking surface and includes 4 stainless steel Dual-Tube™ burners, built-in oven lights, illuminated control knobs, 4 professional cast stainless steel cooking grids, stainless steel warming rack, stainless steel Flav-R-Wave™ cooking system, and electronic ignition. The S 470 Built-In grill head includes an insulating sleeve for combustable construction material.