Feature: 1. STORAGE CAPACITY: The portable cooler case can hold 5pcs insulin pens, 35pcs insulin refills or 15 bottles of insulin, which is compact and practical. 2. TEMPERATURE RANGE: The temperature range of the cooler is 0‑18 ℃, which provides a convenient way to keep the medicine at a safe temperature. 3. CLEAR SCREEN: The insulin cooler has a clear display screen, check the temperature in real time, convenient for parents to use. 4. WORK PRINCIPLE: Utilizing semiconductor to achieve cooling, generating low temperature through DC and conducting them into the box, and dissipate heat outwards by a radiator through a fan. 5. MULTIPLE USAGES: The cooler can be used to store and refrigerate insulin, interferon, growth hormone, eye drop, serum, etc., with strong practicability. Specification: Item Type: Insulin Cooler Case Cooler Temperature Range: 0-18 ℃ Material: ABS Applicable Places: Family, office, car, pharmacy, hospital and other places Applicable Items: Drugs and biological preparations such as insulin and interferon that are suitable for refrigeration. Package List: 1 x Insulin Cooler Case1 x USB Cable1 x User Manual