Size name: including battery Thank you for choosing our portable refrigerator (commonly known as "medication and insulin refrigerator"). By undertaking the technology of most high-tech semiconductor professional heat dissipation and refrigeration equipment Preventive measures: If using an external power source for a long time, please remove the battery, overload, and leakage. If the battery has not been used for more than a week, please remove it 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 ? -18 ? Net weight of the product: 2 kilograms Product appearance dimensions: 210 91 91 millimeters Lithium battery capacity: 10200 mAh Charging time: 5-7 hours on, 4-5 hours off Car input voltage: DC12V House voltage: 220V Power: external 18W, internal 9W There is something inside the box 1 x medical refrigerator 1 transport bag 1 x battery (optional, no battery) 1x car plug 1x home adapter-Multiple charging methods, power outlet, car charger, USB power supply, integrated lithium battery. Long wait time, built-in 10200 mAh high-capacity battery, can be used for 8 hours. -Travel often exposes drugs to extreme temperatures. When transporting medication in a train, plane, car, bus, hotel room (usually with power outage when guests leave the room) or travel bag, you need a reliable method to maintain the correct temperature. This medicine refrigerator is the solution to this problem. -Set temperature range: 2-8 degrees Celsius. When the temperature inside the box reaches the set temperature, the machine automatically enters energy-saving mode, effectively protecting the service life of the substrate product. Various charging methods can be connected and charged on cars, homes, and other devices. -The design of this drug refrigerator is to provide a convenient and economical method to keep drugs (such as insulin or other injectable and liquid drugs) at a safe temperature.