The R-1872 is the most versatile Over the Range microwave oven ever. It combines convection cooking with microwave energy. The R-1872 is a wonderful second oven. It browns bakes broils crisps and roasts with microwave convection combination broil options. A generous 1.1 cu. ft stainless steel interior easily handles a variety of cooking needs. 13 inch Diameter Ceramic Turntable:With ON/OFF flexibility will handle oversized or oblong-shaped dishes or containers. CompuBroil CompuRoast CompuBake: Will automatically compute broiling roasting and baking times/temperature settings. 7-Digit 2-Color Interactive Display: Spells out programming steps on an easy-to-read display. Built-In Exhaust System: Offers horizontal or vertical discharge or ductless recirculation. Also included are a hood light and powerful fan. Smart & Easy Sensor Settings: Automatically determine cooking or reheating times/power levels for 12 microwave favorites. High Rack: Is included for two-level baking. Low Rack: May be used for baking roasting or broiling.