Hot air (that is, the oven has heating performance in addition to the heating tube, and the oven blows out hot air to make the baking more evenly heated)

The lower heating tube (heated by a separate lower heating tube) can be used to barbecue steaks, etc. )

Hot air in the back (hot air is blown out from the back of the oven)

Both the rear hot air and the lower heating pipe are turned on.

Upper and lower heating pipes+rear hot air

Upper heating pipe+hot air (suitable for pizza and other foods)