Refrigerated drugs are prone to spoilage at high temperatures, and spoilage can cause harm to the body. Therefore, he needs a portable medication refrigerator that can help him solve the problem of drugs having to be refrigerated outdoors. characteristic: High definition digital screen, energy-saving, not fragile, easy for the elderly to understand. An independent medicine refrigerator effectively prevents bacterial cross contamination. Low noise design, with operating noise not exceeding 30dB. Low battery level alarm, high temperature alarm, and low temperature alarm. Resolve cooling issues with insulin, interferon, growth hormone, eye drops, serum, and other medications. Specifications: Product Name: Insulin Refrigerator Rated voltage: DC-12V Built in battery duration: 12 hours Temperature control range: 0-18 C Indoor temperature: 2-8 C (room temperature Rated voltage: household 220V, automotive DC5V Rated power: 15W (external power supply), 9W (battery powered) Packing list: 1 x insulin cylinder 1x USB charging cable 1x lithium battery 1 handbag Warning: Due to manual measurement of product dimensions, there may be an error of 1-2 centimeters, which is a normal phenomenon.The insulin cooler can work with USB, car chargers, lithium batteries, and charging power sources. It is designed specifically for those who need to work in cars, airplanes, travel, offices, homes, and outdoors. (Intelligent heat dissipation) Intelligent batteries enter energy-saving mode when the temperature inside the box reaches the set temperature, effectively protecting the substrate and extending its service life. The adjustment range is 0-18 C. A high-quality spherical shaft fan with low noise and silence, which operates below 30 decibels during normal operation, creating a quiet atmosphere and allowing you to enjoy high-quality sleep. (High definition LCD screen) High definition LCD screen, temperature resistant intelligent control, real-time temperature display, temperature inside the box is 2 to 8 degrees, more convenient for the elderly to use. (Insulin Refrigerator): The portable insulin refrigerator solves the problem of refrigerated drugs when going out, and is used to keep drugs (such as insulin or other injectable drugs) at a safe temperature.