Specification: Product name: Insulin refrigerator Battery life: 24 48 hours Ambient temperature: about 35 Temperature in the box: 0 18 Battery voltage: 11.1V Battery capacity: 10200mAh 2 Rated power: external power supply 15W battery 9W Dimensions: 240 160 125MM Packing list: Host 1, AC adapter 1, USB charging cable 1, carrying case 1, battery (delivered according to the actual purchase quantity)?ULTRA-QUIET OPERATION?Using brushless high-end fan, the noise is less than 30 decibels during normal operation. It has a quieter and longer lasting function than ever before, allowing you to enjoy a quiet and comfortable sleep. ?MULTIPLE CHARGING METHODS?The insulin cooler can be powered by USB, car charger, lithium battery and charging power supply. It can have two built-in 10200 mAh lithium batteries with 24 hours of battery life. It is suitable for car travel, office and family, vehicle outdoor and airplane use. ?LARGE STORAGE SPACE?The internal space is large enough to hold 75 refills or 36 bottles of insulin or 11 injection pens at a time. ?Widely used in insulin, interferon, eye drops and serum storage. Insulin needs a separate cold room to effectively prevent cross bacterial infection. ?EFFICIENT COOLING?Insulin cooling box can be set to the target temperature you want, rapid cooling performance and intelligent temperature control system to keep the medicine at a safe temperature, touch button operation, 3 alarm functions, safer to use. ?WORRY-FREE TRAVEL?The portable insulin cooler solves the problem of cooling medication when you go out, used to keep medications such as insulin or other injectable medications at a safe temperature.