Insulin cooler travel case adopts LCD screen, large screen real-time display, easy to see temperature and other information; aviation aluminum inner tank, fast cooling; sensitive temperature controller, temperature control at will. The portable insulin refrigerator provides a convenient and economical way to keep medication (such as insulin or other injected medication) at a safe temperature suitable for short and medium distance travel. Specification:Product name: insulin refrigerator Input / output voltage: 12V / 110V, 12V / 220V Temperature in the box: 0 ~ 18 掳 C (ambient temperature 35 掳 C) Liner: aviation aluminum Battery capacity: 13600mAh (12 ~ 36 hours) Product size: 215x105x115mm Package: 1 x refrigerator 1 x home adapter 1 x storage bag 1 x USB power cable Remarks: 1. Do not use at high temperature, do not immerse in water. 2. When using an external power supply for a longer period of time, the battery must be removed to avoid total discharge. Note: Please allow 1-3mm measuring deviation due to manual measurement If you have any questions, please email us, within 24 hours we will reply in time, we will do our best to solve the problem and wish you a happy life.