Refrigerated medicines are prone to deterioration at high temperatures, and deterioration of medicines can cause harm to your body. Therefore, you need such a portable medicine refrigerator that can help you solve the problem that medicines need to be refrigerated outdoors. Suitable for your short- and medium-distance travel. 1. It is very easy to use. Just press a button to make it work. 2.Quiet (noise =30 dB), fast running speed, low power consumption and long service life. 3.An alarm is issued under three conditions: high temperature, low temperature, and lack of power. 4.With fast charging function, the USB charging port allows you to conveniently use it around the house or car, or connect it to a computer, etc. Features: Product name: medicine cooling box Standby time: 8-30h Temperature inside the box: 2-8°C (ambient temperature <30°C) The input voltage range of power adapter:220V Rated power: 10W Packing list 1 x Insulin Cooler Refrigerated Box 1 x Tote bag 1 × Power Adapter 1 xUSB charging cable 1 × User Manual Note: ? Do not block the ventilation holes, and do not use the refrigerator at high temperatures or immersed in water.? LIGHTWEIGHT AND LOW NOISE : With light weight, the medicine refrigerated box is easy to carry, using brushless high-end fans, under normal operation is less than 30 decibels. It has a quieter and longer lasting function than before, allowing you to enjoy a quiet and comfortable sleep. ? MULTIPLE CHARGING METHODS : As convenient as mobile phones, built-in rechargeable lithium battery, Fully charged for 8 hours, USB charging, simple and convenient, suitable for family, car and aircraft use. ? ALARM REMINDER SYSTEM : When the power of the machine is low, the cold box will buzz intermittently to remind the user to replace the battery or recharge in time. The medicine should be stored separately to avoid cross-infection. ? LARGE REFRIGERATION CAPACITY : Our insulin cool box is designed with 185*60*25mm large Refrigeration Space, applicable for restoring almost 3 months of medicine, about 3-5 injection pens/9 bottles of insulin. ? INSULIN COOLING BOX : The design of this medical refrigerator provides a convenient way to keep drugs at a safe temperature, solves the problem that medicines need to be refrigerated when going out. It can store insulin, interferon, growth hormone, eye drops, and vaccines.