This air fryer oven is designed with the hot air circulation system for a healthier way of cooking, allowing you to enjoy the delicious food without the extra fat or calories. Just rotate two knobs you can set the time and temperature easily. The transparent window and inside light make it easy to see the cooking progress of your food at any time. The large capacity of 12.7 quarts allows you to cook a variety of foods at the same time to meet the needs of the entire family. With rotating function it is perfect for cooking a turkey. The interior of the oven is made of stainless steel to avoid the unpleasant smell of plastic, and it has been multi-certified so it is very safe to use.