When using, turn the switch to the middle OFF position, insert one end of the cable into the refrigerator socket and the other end into the car's lighter • Cooling: Turn the switch to the COOL position Capacity: 7.5L, can put in more things you want. • Use DC 12V power to cool or warm drinks and food. Quiet motor and fan circulate air with a hot / cold switch for even cooling / heating. • Efficient cooling: Cools ambient temperature below 15 - 25 degree without ice. • Heating capable: For reheating your sandwich or other food up to 65 degree. • Flip top cover, convenient to put in or take out stuffs. • Semiconductor refrigeration system, non-pollution, long life, low noise and consumption. Slim, compact design, ideal for minivans, SUV, or small cars, plug it in your car lighter).• Comes with a belt for convenient carry