21 liters to 25 liters, 25 liters to 31 liters, more than 31 liters.

1, 21 liters to 25 liters: small microwave oven, suitable for single or small families, used to heat food and drinks, cook quick-frozen food and thaw food.

2,25 liters to 31 liters: medium-sized microwave oven, suitable for home use, can accommodate larger containers and tableware, and is suitable for more cooking tasks.

3, more than 31 liters: large microwave oven, up to 32 liters. Suitable for users who need to handle a lot of food or larger containers, such as holding parties or cooking large restaurants.