GC2-37P(Propane/LPG gas type). Cooktop dimension: 11.4″(W) x 20″(D). Cut out dimension: 10.6 inch x 18.9 inch. Max Power: Top Hob 3.4 KW, Bottom Hob 1.8 KW. Gas inlet pipe thread size is 1/2 inch NPT, Tapered type. High efficiency burner with new design to insure 20% to 30% saving. Stainless steel surface, Heavy duty cast iron pot stand, Contemporary design. Electric ignition, Battery powered. Safety device with thermal couple & flame out failure detection trigger mechanism, Auto-shut off gas supply.