Features: It is very simple to use. Just press a button to make it work. Insufficient battery prompt, large LED display, sensitive setting, intelligent temperature setting, aluminum inner tank to prevent loss of air-conditioning. Alarm under three conditions: high temperature, low temperature and power failure. Quiet (noise 30dB), fast running speed, low power consumption, long service life. With fast charging function, it is convenient to use the USB charging port at home or in the car, or connect it to a computer. We have equipped you with a portable backpack. You can install the medicine cooler in your backpack to protect your privacy. Specification: Product name: insulin refrigerator Usage: cold storage of insulin, interferon, pharmaceuticals and other biological preparations. External dimensions: 145x145x230mm Internal dimensions: 85x195x75mm The diabetes medicine refrigerator can store 18 injection pens 5-12 insulin pens 75 insulin refills 26 bottles of insulin medicine. packing list: 1 x Insulin Cooler 1 x carry bag 1 x Power Adapter 1 x USB charging cable batteryx (delivered according to the actual purchase quantity) 1 x User Manual?ULTRA QUIET OPERATION?Premium brushless fan, running noise below 30dB, which creates a quiet environment. ?HD DISPLAY?Large-screen LED display, real-time temperature display, accurate temperature control. Low battery, intelligent high and low temperature reminder. The operation is simple and easy to use even for the elderly. ?STANDBY FOR MORE THAN 16 HOURS?The insulin cooler can be powered by USB, car charger, lithium battery and charging power supply. The standby time is more than 16-18 hours,designed for people who need to work in car, airplane, travel, office, home and outdoors. ?LARGE CAPACITY DOUBLE-LAYER COOLING? Our insulin refrigerator is designed to hold about 5-12 insulin pens, 26 bottles of insulin medicine or 75 refills or 18 injection pens, to meet storage needs.Insulin needs a separate cold room to effectively prevent cross bacterial infection. ?WORRY-FREE TRAVEL?The portable insulin cooler solves the problem of cooling medication when you go out, Widely used in insulin, interferon, eye drops and serum storage. to keep medications at a safe temperature.