The Sharp R-21LVF microwave oven measures 20.5" x 16" x 12.125". It fits half size pans with 1-cu. ft. of interior space. There are 10 programmable buttons, with some recommended times for popular foods. There is also a 6-minute dial timer that is marked on 10, 15, and 30, second increments. Additionally, this microwave will cancel the remaining time when the door is opened and you know your food is done. A latch handle reduces door failure, you will never be stuck at your microwave! To prevent unauthorized changes to your preferred times or other features, there is a safeguard in place.