Features 1??Display Screen: Insulin cooler box adopted large screen display, convenient for the elderly to see the temperature and battery information clearly. 2??Rapid Cooling: 12V cooling clip and internal aluminum insulin case allow for rapid cooling in less than 10 minutes even at high temperatures of 32?40??C. 3??Large Capacity: Insulin cooler travel box with large space, which can hold up to 3 pre filled insulin pens or 9 insulin refills, or a combination of both. 4??Widely Use: Insulin cooler case can solve the problem of cold storage medicine insulin, interferon, growth hormone eye drops, serum and so on. 5??USB Rechargeable: Insulin box adopted 7800mAH lithium battery, which can be charged by USB cable, which is convenient for travel and trip use. Specification Item Type: Insulin Cooler Case Material: ABS Battery Type: 7800mAh Lithium Battery Cooling Temperature: Below Ambient Temperature 25??C Cooling Range: 2-18??C Applicability: Home, Office, Vehicle, Pharmacy, Hospital, etc. Suitable for Refrigeration: Insulin, Interferon, and other medications and biological preparations Package List 1 x Insulin Cooler 1 x USB Cable 1 x User Manual 1 x Carrying Strap 1 x Carrying Bag