40800mAh Insulin Small Refrigerator Portable Medicine Box Large Capacity Battery USB Car Pill Box Pill Refrigerated Incubator Product 1. Intelligent operation: intelligent temperature control, convenient for the elderly. It has a large LCD control screen and clear adjustment buttons. 2. Insulin, drugs, growth hormone, vaccines, eye drops, etc. can be refrigerated. Upgraded large battery capacity can last up to 26 hours 3. Low noise. Medication coolers are easy to carry. And the low noise below 30dB can provide you with a quiet environment. 4. For insulin and vaccines, the temperature should be controlled at 32.0-64.4F. Insulin refrigerator successfully solves the problem of drug storage, and it is also very convenient to carry out 5. A variety of power supply methods, 12V for cars, 110V~ 220V for home use, no need for converters. Designed for those who need to work in the car, plane, travel, office, home and outdoors