* The Inventum OV207B standalone convection oven has a net capacity of 20 liters. This model has six cooking programs. Convection heat ensures an even distribution of temperature. The four heating elements allow the oven to heat up very quickly. The oven is also equipped with a timer. The appliance comes with a baking tray and an oven rack. * Cleaning the oven is very simple. After each use, when the oven is still warm, wipe it with a soft, damp cloth and a little dish soap. The rack and baking tray are all dishwasher safe.