Thank you for choosing our portable cool box (better referred to as "medicine and insulin fridge"). By adopting the technology of most professional high-tech semiconductor cooling and heat release devices. Precautions: 1. If you use the external power supply for a long time, please take out the battery, overcharge and leak. 2. If the battery is not used for more than a week, remove the battery to avoid overcharging. 3. Do not use the battery for a long time, charge it every three months to avoid overcharging. Product specifications: Humidity range: 2-8? Product net weight: 2 kg Car input voltage: DC12V Household voltage: 220 V Power: 10 W Size: 22 x 10 x 9 cm Internal dimensions: 19.2 x 6.1 x 3 cm Box contains: 1 x medical refrigerator. 1 x carry bag. 1 x lithium battery. 1 x 12 V car plug. 1 x USB power cable. 1 x home adapter. * This product contains only a medical refrigerator and does not contain any other items. Due to manual measurement of the product size, there may be a certain error. Due to different spotlights and different screen colours, the actual object may have a certain colour difference. Please refer to the actual product you receive.✓?Medicines are often exposed to extreme temperatures when you travel?. If you store your medicines in your suitcase, train, plane, hotel room (which is often not operated when guests are not in the room), bag or backpack, you need a reliable way to keep them at the right temperature. This medicine fridge is the solution. ✓?Insulin Refrigerator provides a convenient and inexpensive way to safely store medicines?(such as other medicines that need to be injected). ✓?Ultra high-definition large intelligent display?: large LED high-definition touch screen, real-time display of temperature, more clear, humanized, convenient for the elderly. ✓?Refrigerated temperature?: 2-8°C, thanks to the temperature setting of the refrigerator and the intelligent thermostat, you can maintain a constant temperature for a long time, below 32°C. The temperature setting range of 2-8°C is more flexible to meet your requirements. ✓ ?12V AC + 220V DC?: computer USB, home, car, power bank, built-in lithium battery, can be used anywhere, such as insulin, growth hormone, interferon, vaccine injection, etc.Lock Type: Electronic. Cooling Method: Thermoelectric. Pattern: Solid. Form Factor: Chest. Number of Doors: 1. Installation Type: Freestanding. Special Feature: Portable. Brand: ALSUP. Number Of Doors: 1. Country of Origin: China. : B0BXRVYTJQ. Manufacturer: ALSUP. Item Weight: 2.2 pounds. Package Dimensions: 3.94 x 3.94 x 3.94 inches.