This insulin cooler box is a good helper for person who need to storage insulin or other mini medicine under a low temperature. This portable cooler box could also be taken on to airplane, no worry during traveling. 1. The refrigeration box can store 18-23 drug cores, 3-5 injection pens, 15 bottles of interferon. 2. Multi-mode power supply:USB,car adapter,home power source. 3. Real-time temperature display:in-box temperature will be displayed in the display. 4. 10-12 hours standby time. 5. Intelligent and easy operation by pressing one button. 6. Sandblasting aviation aluminum liner:arc design of inner gallbladder to avoid collision during transportation [Product Specifications] Product name: Insulin special refrigerated box Battery life: 10 30 hours Cooling temperature: about 35? lower than the ambient temperature External dimensions: 207 94 91MM Temperature in the box: 0 18? Battery voltage: 11.1V Battery capacity: 13000mAh Rated power: 15W for external power supply, 9W for battery Box contains 1 x insulin refrigerated box 1 x 13000mAh lithium battery 1 x tote bag 1 x car charger 1 x USB charger 1 x USB charging cable 1 x brush If you still have any questions, do not hesitate to contact us, our customer service group will answer you within 24 hours.?Various power supply methods, The USB cable can connect various power supply devices. Car charger, cable charger, mobile power so on. During people in travel, the medicines were exposed outside at a high and unsafe temperature, which is damaged to the insulins and other medicines that are injected. So if people have this Portable Refrigerator, all the problems are solved. ?Low noise 25 decibels is equivalent to the ticking of the watch and it doesn't bother people, allowing you to sleep peacefully. ?Max working time 8-9 hours, buailt-in 10400mAh battery. Two alarm methods: high temperature reminder and low temperature reminder. ?Intelligent temperature control 2-8 C. The high-definition touch screen display clearly shows the real-time and cooling temperature.The elderly can also easily operate. ?Large capacity, box indoor size: 175 56 26 mm, can hold about 18-23 drug cores, 3-5 injection pens, 15 bottles of interferon.