Easy-Use Convection - Features a third element and fan to keep oven temperatures consistent. Auto Conversion - Automatically adjusts time or temperature for easy convect baking or roasting. Temp-Assure Cooking System assures a consistent oven temperature - Preheat is measured by temperature rather than by time. Favorite setting - Preprogram a recipes cook time and temperature so its easy for anyone to start dinner. Adjustable self-cleaning oven with auto door lock - You can adjust the cleaning level for light medium or heavy soils.