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