NuWave Oven Red Pro Plus with Stainless Steel Extender Ring Kit and Additional 9.25 Inch Cooking Rack Red exterior Includes PEI dome, 3 inch stainless steel extender ring and 2 inch cooking rack, as well as bonus cooking rack Utilizes infrared, conduction and convection cooking 75% less energy and 70% faster cooking than a standard oven Digital temp controls range from 100 degrees F to 350 degrees F