Features: 1. The rounded corner design of the liner prevents bumps and bumps of medicines in the box on the way 2. Aluminum liner, so that the cold storage temperature lasts 3. Mute technology, 10W low energy consumption, prolong product life Parameters: Product Name: Insulin Refrigerator Box Operating power: 10W Working voltage: 5V Cooling range: 2-18°C Internal size: 175* 60* 28mm External dimensions: 220* 173* 62mm Packing list: Insulin Refrigerator Box*1?Power Supply?: USB cable, charger,power bank, car, home can be used, suitable for travel, home, commuting, business trip and office. ?High capacity?: Large-capacity storage space to meet daily needs, safe and refrigerated to go out more worry-free, can meet your long-term needs. ?Integrated manufacturing?: do not worry about sealing, fully enclosed design has good sealing, integration does not allow air-conditioning to leak, so that excellent drugs can be stored for a long time. ?LCD Touch Screen?: High-definition LED display, easy to operate, durable touch screen keys, real-time temperature display, more suitable for the elderly to operate. ?Portable Insulin Refrigerator?: The insulin cooler solves the problem that medicines need to be refrigerated when going out. It can store insulin, interferon, growth hormone, eye drops, and vaccines.