How to make the car refrigerator cold?

Refrigeration modulation mode of car refrigerator: 1. The temperature adjustment button of the vehicle-mounted refrigerator is usually set on the temperature display panel above the refrigerator, which can directly adjust the preset refrigeration temperature of the refrigerator; 2. The semiconductor car refrigerator has no temperature adjustment function and will continue to cool to about 5℃; 3. You can also connect the mobile phone through the Bluetooth module, and adjust and control the refrigerator temperature through the mobile APP. Car refrigerator refers to the refrigerator that can be carried with the car, which is a new generation of refrigeration appliances popular in the international market in recent years. There are mainly two kinds of car refrigerators in the market. One is a semiconductor car refrigerator, the principle of which is refrigeration through electronic chips. The other is the refrigerator of the compressor car. Compressor is the traditional technology of traditional refrigerator, and its refrigeration temperature is low, ranging from-18 to-10.