This combination wall oven provides 4.1 cu. ft. oven capacity and 1.4 cu. ft. microwave capacity. Closed-door broiling in the lower oven allows you to broil without overheating the kitchen. The Precision Cooking system ensures consistent cooking with Precise Preheat, Precise Bake and Precise Broil. The 900-watt microwave features a stainless steel interior that reduces the appearance of stains.