?Features: 1. Refrigerated insulin interferon growth hormone vaccine eye drops and other medicines 2. A variety of charging methods can be connected and charged in cars, homes and other devices. 3. Fast charging, built-in rechargeable lithium battery, can be brought on the plane. 4. Smart key operation, LCD digital display screen, low noise motor. 5. Portable size suitable for travel or home use. ?Product specifications: Power supply: 220V AC 12V DC Product name: Special refrigerator for insulin Refrigerator (L W H): 73mm 53mm 26mm Battery life: 8 36 hours Ambient temperature: around 30? External size: 207 94 91mm Temperature in the box: 2 18? Battery voltage: 11.1V Battery capacity: 10200mAH Rated power: 9W when external power supply 15W battery ? Place items to participate: 3 injection pens or 5 bottles of insulin medicine or 12 insulin injection refills ?Packing list 1 x cooler 1 x built-in battery 1 x tote bag 1 xUSB charging cable 1x power adapter 1x manual ?Precautions 1. It is prohibited to operate the small refrigerator with excessive force. 2. It is forbidden to use the machine in high temperature and immersed in water. 3. Do not block the vents. If you have any questions, please feel free to contact us and send us a message.? Carry with you: small in size, stylish and simple, easy to carry, suitable for travel, train and airplane use. Store insulin in a separate cold storage space to effectively prevent bacterial cross-infection. ? Ultra-quiet operation: 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, long battery life, USB charging, simple and convenient, suitable for family, travel, car and aircraft use. ? Efficient cooling: fast cooling performance and intelligent temperature control system, keep the medicine at a safe temperature, smart key operation, intelligent early warning system, safer to use. ? Insulin cooling box: The design of this medical refrigerator provides a convenient way to keep drugs (such as insulin interferon growth hormone vaccine eye drops, etc.) at a safe temperature.