Costway's Air Fryer has 7 pre-set cooking functions, from air frying, broiling, baking to toasting, dehydrating and warming. Its 4 mechanical knobs adjust time, temperature, cooking function and toast time. This convection toaster oven adopts up and down balance heating (4 heating tubes on the top, 2 on the bottom) to fry up food. The adjustable temperature from 250- 450 drives out the extra fat in the food, while maintaining the crispy taste of traditional way. No oil creates healthy and delicious food with deep fried crispiness. It includes 4 useful dishwasher-safe accessories such as a fry basket, oven rack, baking pan, crumb tray and oven mitt. This Costway Air Fryer convection oven will satisfy all your diverse cooking needs by making a variety of cuisines!