Single compartment, 3 1/4" deck height, 18 x 18 inch deck size. Ovens feature two ceramic hearth baking decks and are designed for pizza, pretzels, flat breads and bakery products baked directly on the hearth deck, on screens, or on baking sheets, stainless exterior. These Pizza ovens are stackable. Overall dimensions 23'' x 25'' x 17''. Available 120v 1800watt or 208-240v 2850watt. Thermostat Range (300-650 degrees F). Weight 127 lbs. UL approved.