It can be inserted for a long time, has intelligent temperature control, is easy to transport, and supports charging modes such as cars, high-speed trains, and airplanes. Carrying a takeout bag, you can take him on the plane without worrying about drug safety Product advantages: high-definition screen, intelligent temperature control, alarm system, large capacity, silent cooling fan, constant temperature, convenient transportation, emergency consideration, convenient use, wear-resistant and pressure resistant, non-toxic and odorless, safe and hygienic Product Name: Medical Refrigerator Color: White Size: As shown in the picture Weight: 800 grams Note: 1. All products are manually measured with an error of 1-2 centimeters, mainly based on physical objects. 2. The product is actually photographed, and there may be slight color differences due to issues with the screen, shooting angle, lighting, etc. Please understand!The insulin cooler can work with USB, car chargers, lithium batteries, and charging power sources. It is designed specifically for people who need to work in cars, airplanes, travel, offices, homes, and outdoors. (Alarm reminder) High temperature alarm, low temperature alarm, low battery level. Large capacity batteries: extend waiting time. Replaceable battery design. (LED screen) Large screen LED screen, real-time temperature display, precise temperature control. Low battery level, intelligent reminder for high and low temperatures. Easy to operate and convenient to use, even for the elderly. Good insulation: The insulin travel refrigerator can maintain insulin at 2-8 ? (35.6-46.4 ?), even in an ambient temperature of 30 C (86 F). The cooling effect is better than insulin refrigeration bags. The insulin cooling box aims to provide a convenient and affordable method to keep drugs (such as insulin or other injectable drugs) at a safe temperature.