VEVOR Electric Hot Box Food Warmer, 4-Tier Commercial Warming Cabinet with Water Tray, Single-Door and Adjustable Shelves, Stainless Steel Food Warmer Cabinet, for Restaurant, Kitchen, Pizza, Chicken

The duration is the countdown time after the set temperature is reached. The device will automatically turn off after the set duration has elapsed. The duration setting will not be automatically canceled when the device is turned on or off; once set, it will not be automatically canceled and can only be canceled by manually adjusting the setting.