This is a Zojirushi DCH-20 portable cooler/warmer. This cooler box can be used for solo camping, outdoor activities, and even during disasters. It comes with a power cord and can be used with both AC and DC power. It can be used at home or in the car. This is a used item, used twice for car camping. It was stored indoors in the original cardboard box and is in good condition. The capacity is 20 liters. Operation has been confirmed. This is a discontinued product. *The cardboard box also has no noticeable stains. ●Size Length: 28.0cm Width: 39.5cm Height: 40.0cm Thank you.