Materials and components: The thermal insulation shell is made of high temperature and low temperature resistant materials, which is suitable for the internal environment of the refrigerator where hot and cold alternate. Moisture-proof technology: The overall sealed waterproof structure resists the erosion of water vapor and frost in the box. Enhanced freshness preservation: achieve balanced and stable temperature control, reduce temperature differences within the box, and delay food deterioration and drying. Start-stop stability: Smooth transition between switch states, reducing energy loss caused by frequent compressor starts and stops. Compact body: The design is stylish and compact, making it easy to install even an ultra-thin built-in refrigerator.