The Insulin Cooler Box is designed to provide a convenient and affordable way to keep medications (such as insulin or other medications that are injected) at a safe temperature during:Travel: Travel often exposes medications to extreme temperatures: luggage compartments, hotel rooms (when guests are out of rooms, the climate control is often turned off), taxis, airlines, and other forms of transportation.Vehicles and Exteriors: Vehicle temperatures can exceed 100F in minutes when the A/C is off. Refrigerated medication storage is needed for cars, trucks, boats, RVs, and motorcycles, as well as outdoor activities.[NAME]: Cold storage box (temperature control range 2-15 degrees)[Size]: External dimensions: Length 225 * Width 103 * Height 98mm; Internal dimensions: Length 190 * Width 65 * Height 30mm[Friendly environment]: Using thermoelectric coolingInput/output voltage (charger) AC100V-240V✔ Large screen shows time and temperature.✔ Low battery alarm.✔ High temperature alarm.✔ Low temperature alarm.✔ Silent 30dB fan.✔ You can link the power adapter for a long time.