The Good Housekeeping Seal Recognized for their quality manufacturing Bosch 500 Series are backed by The Good Housekeeping Seal - a two-year limited warranty. Ovens Key Features: 500 Series Oven Performance: 1 In Capacity. Genuine European Convection. Speed Convection. 500 Series Oven Efficiency. ECOCLEAN Self-Clean Cycle. Fastest Preheat. 500 Series Oven Quality. High Quality Rack Supports. Ergonomic Retractable Dials with Glass Touch Control. Recessed Heating Element. Flush-to-Cabinet Design.