Two 18-inch-diameter pizzas fit in the Waring WPO700 countertop pizza oven. Each deck has an aluminum interior that resists corrosion, while the exterior is made of heavy-duty stainless steel. The top and bottom elements have independent on/off switches, but the center element stays on if either element is active. Insulation is used to keep heat in the Waring WPO700 double deck pizza oven, which has a temperature range of 150 to 840 degrees Fahrenheit. Adjustable legs elevate the unit off the countertop. Product Details Each deck holds (1) 18-in. pizza or half-size sheet pan Temperature range: 150-840 degrees F Independent on/off switches for the top and bottom heating elements Center element stays on when either element is active Manual 30-min. timer has an audible alarm Interior light shines to enhance visibility Aluminum interior has durability to support heavy use Stainless steel exterior resists scratches and rust Insulation keeps heat inside the deck cavities 4-in. legs adjust to stabilize on the countertop 3200 W 240 V/60 Hz/1 ph Overall dimensions: 28 in. W x 28 in. D x 21 in. H cULus listed; NSF certified