It is the 7.5LTR portable 12V thermoelectric car cooling and warming portable refrigerator. It is great for those that enjoy eating at their desks, college dorm students, and drivers who enjoy cool drinks and snacks while on the road. No need for refrigerants, its low noise motor works quietly and has a hot/cold switch. Plug it in the wall or in your car. It can handle your diet problem with ease when you need to stay in your car for a long time. It is the 7.5LTR portable 12V thermoelectric car cooling and warming portable refrigerator. This is great for those that enjoy eating at their desks, college dorm students, and drivers who enjoy cool drinks and snacks while on the road. No need for refrigerants, its low noise motor works quietly and has a hot/cold switch. Plug it in the wall or in your car. It can handle your diet problem with ease when you need to stay in your car for a long time. Can vertically store 0.5L bottled beverage or 0.33L canned beverage, can be cooled and heated.With magnetic box cover, shoulder strap is convenient for carrying, easy to use and operate.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, the green light is on, and the cooling function is started.Heating: Turn the switch to the HOT position, the red light is on, and the heating function is started.Can also be used to store cosmetics, fruit and other items, bringing much convenience for you.Do not suddenly turn on the heating function during cooling. When heating, do not suddenly turn on the cooling function (put the switch to OFF for 30 minutes before starting).