The Bosch HBA533BSO has 5 different food preparation systems and a grill function. This gives you a lot of choice in preparation methods for your favorite dish. The oven has a large capacity of 71 liters and 5 racks so you can easily prepare multiple meals at the same time. The inside space has a special coating that prevents the sticking of food. The back wall is made of catalytic material. The wall cleans itself when it reaches a temperature of 200 degrees or higher. This simplifies cleaning.