Want to keep your drinks cool when traveling outdoors in the hot summer? Need to keep food in the refrigerator for a period of time? Or want to keep food hot in winter? The Advwin portable heating and cooling box is an excellent choice, not only has the refrigeration function, but also the insulation function. Whether you are going to the park for a picnic, fishing or camping on the road for months. This is invaluable for keeping food fresh and beverages refrigerated! Features: 22L Cooler and Warmer: Our large capacity fridge has plenty of space to pack everyone's favorite foods. Great to use anywhere in your home, nursery, office or dorm room, vacation, and parties. Multi-Function: This mini fridge can Keep food, drinks such as sandwiches, soda cans, etc. Easy to go from indoor to car use by plugging the appliance into the car 12V adapter. Portable and Convenient: This Mini Fridge is stylish, lightweight, compact and fully portable, can fits easily into car trunks or seats for bulk-free travel, make your travel more convenient. Friendly Design: Energy-efficient, ultra-quiet and 100% environmentally friendly. Tips: This product is a fresh-keeping refrigerator, which has no freezing function and cannot store ice cream. Specifications: Type: Mini Fridge Capacity: 22L Colour: White/Blue/Pink/Green Material: PP (polypropylene), Handle:ABS (firmly features)Working Voltage:DC 12V AC 220-240V Power consumption 70 watts. Plug: Australian standard Cooling System: Double Door Style: Single Door Heating Temperature:55-65°C by the thermostat Product Size: 35 * 29 * 44cm Batteries Required: No Installation: Freestanding Heating Temperature: up to 65°C Maximum cooling performance 12-15°C below ambient temperature.( It can reach 4 degrees)