Feature: 1. Maintaining Temperature: Insulin cooler box provides a convenient and affordable way to keep drugs, such as insulin or other injectable drugs, at a safe temperature. 2. Capacity: The Insulin refrigerator can hold up to 3 empty insulin pens or 9 insulin refills, or a combination of the pen and refill, so you can take your insulin on the way. 3. A Variety Of Drugs: Carrying an insulin refrigerator can solve the problem of refrigerating a variety of drugs, such as insulin, interferon, growth hormone eyedrops, serum, etc. 4. Large Screen: There is a large screen on the insulin refrigerator, which can be displayed in real time, which is convenient for the elderly to see the temperature and battery information, and it is more convenient for parents to use. 5. Portable: Our insulin refrigerator case is relatively small and can be carried with you when you go out. It is very convenient and practical, and I believe you will be satisfied. How to Use: 1. External power supply: When there is no built in lithium battery, connect the power adapter or car power supply, the machine will beep, indicating that the machine starts to work; if the built in battery is used, the product will automatically charge 2. Battery: When there is no external power supply, directly connect the built in lithium battery, the machine will beep and chirp, indicating that the battery is connected. Press the power button for 3 seconds to turn on 3. PowPortable: Our insulin refrigerator case is relatively small and can be carried with you when you go out. It is very convenient and practical, and I believe you will be satisfied. Large Screen: There is a large screen on the insulin refrigerator, which can be displayed in real time, which is convenient for the elderly to see the temperature and battery information, and it is more convenient for parents to use. A Variety Of Drugs: Carrying an insulin refrigerator can solve the problem of refrigerating a variety of drugs, such as insulin, interferon, growth hormone eyedrops, serum, etc. Capacity: The Insulin refrigerator can hold up to 3 empty insulin pens or 9 insulin refills, or a combination of the pen and refill, so you can take your insulin on the way. Maintaining Temperature: Insulin cooler box provides a convenient and affordable way to keep drugs, such as insulin or other injectable drugs, at a safe temperature.: B0BMZMRTMP. Manufacturer: Kadimendium. Date First Available: October 27, 2022. Package Dimensions: 9.84 x 4.72 x 4.33 inches; 2.09 Pounds.