The Frigidaire Gallery 30" Microwave Combination Oven features our most powerful and advanced convection system ever, Total Convection. Our Total Convection system enables you to get cooking faster with No Preheat, and enjoy of a variety of cooking modes like Air Fry, Steam Bake, Steam Roast, Bread Proof, Dehydrate, Convection Roast, Convection Bake and more - all in an extra large 5.3 Cu.F.t capacity oven. Plus the microwave features Convection cooking, which delivers the great tasting results of a convection oven, but combined with the speed of a microwave.