This extra-large 5 quart digital air fryer features Oster DiamondForce nonstick coating, Oster's longest-lasting nonstick yet. DiamondForce Nonstick is infused with diamond particles that form a structural matrix, creating a stronger coating to provide easy food release and superior nonstick performance over time. This Oster air fryer has a digital display and 8 preset functions including Fries, Chicken, Fish, and Dehydrate, so you can easily make all your favorite meals, with 99.5% less oil than deep frying (compared to 4L-capacity deep fryers). It offers an extra-large capacity, detachable frying basket, overheat protection, and nonslip feet. And the PFOA-free, diamond-infused nonstick surface means hassle-free cleanup.