WJYLM Portable USB Insulin Cooler

you for purchasing our portable refrigerator (commonly known as "medicine and insulin refrigerator"). Using the most professional high-tech semiconductor cooling radiator technology, Insulin knowledge: Unused insulin can be stored at 0-18°C for 2-3 years. Used insulin can be stored at 25°C for 6 weeks. Product Details Product name: medicine refrigerator Battery standby time: 8~10 hours Refrigeration temperature: 0-18°C (ambient temperature<30°C) Applicable voltage: AC 110-220V DC 12V notes: If you have any questions, please contact me via email in time!