Refrigerated drugs are prone to spoilage at high temperatures, and spoilage can cause harm to your body. Therefore, a portable medicine refrigerator is needed to solve the problem of storing medicines outdoors. Suitable for your short to medium distance travel. characteristic: It is very easy to use. Just press a button. Three situations will sound: high temperature, low temperature, and power outage. Silent (noise 30dB), fast operating speed, low power consumption, and long service life. It has a fast charging function, making it easy to use a USB charging port at home or in the car, or connect it to a computer. Product specifications: Product Name: Drug Refrigerator Battery standby time: 8-10 hours Single battery pack: 13600 mAh Cooling temperature: 2-8 C (ambient temperature Applicable voltage: CA 110-220 V CC 12 V Packing list: Host 1, AC adapter 1, USB charging cable 1, battery (delivered based on actual purchase quantity)The insulin cooler (powered by USB) can work together with USB, car chargers, lithium batteries, and charging power sources. It is a first-class brushless fan with a working noise of less than 30 decibels, quieter, and more durable, designed specifically for people who need to work in cars, airplanes, travel, offices, homes, and outdoors. (High definition screen) Large screen LED screen, real-time temperature display, precise temperature control. Low battery level, intelligent reminder for high and low temperatures. Even for the elderly, the operation is simple and easy to use. (High capacity) may contain 12 insulin pens or 75 insulin substitutes. Widely used for insulin, interferon, eye drops, and serum storage. Insulin requires a separate cold chamber to effectively prevent bacterial cross infection. The insulin travel refrigerator can maintain insulin at a temperature of 2-8 C even in an ambient temperature of 30 C. The cooling effect is better than ice packs containing insulin. The portable insulin refrigerator solves the problem of cooling medication when going out, and is used to keep insulin or other injectable medications at a safe temperature.