Open the refrigerator to use the econavi function of Panasonic refrigerator. The energy-saving function of Panasonic refrigerator is automatic and does not need to be operated. Through econavi's energy-saving navigation, you can analyze your three-week usage habits, master the family routine, and adjust your running state according to your daily usage. During the period of frequent door opening and closing, it knows that the owner is preparing delicious food, and then it will increase the cooling speed to ensure the freshness of the food in the cold storage. Panasonic (English name: Panasonic) is a Japanese multinational company with more than 230 companies and more than 290,493 employees worldwide. There are more than 54,000 people in China.