Natural gas type......FREE SHIPPING!!! * 4 sealed burners. Electric ignition, 110V AC input. Max. Power per burner: 12000 BTU + 9000BTU + 7000 BTU + 3000 BTU * Cooktop dimension: 23"(W) x 20"(D) X 3.9"(H). Cut out dimension: 21.85" x 18.7", Depth clearance beneath the counter top surface, 4 inches * Stainless steel surface with heavy cast iron pot stand, One simmer burner allow slow cooking. Safety device with thermal couple & flame out failure detection trigger mechanism. Auto shut off gas supply. * One year warranty. We provide free exchange for any defect, & there is 10% restocking fee applied on refund / order cancellation.