The Precise Heat Stainless Steel Oil Core Electric Skillet holds 3.5 quarts with 120V, 1300 watt power and features a 3-ply construction. This electric skillet also features a steam control knob for waterless cooking. The low dome cover has stay cool handles and knobs. The T304 surgical stainless steel shows a beautiful and durable mirror finish. The unique oil core liquid is sealed between layers of heavy gauge stainless steel. Our superior design helps you to maintain a healthy lifestyle through waterless, greaseless cooking. This skillet measures 12.25 inches on the exterior diameter and 11 inches inside the interior diameter. UL listed. 5 year warranty.