Features: ✓Refrigerated insulin interferon growth hormone vaccine eye drops and other medicines ✓A variety of power supply methods, USB charging, can be connected and charged in cars, homes and other devices. ✓Built-in batteries, which can be carried on the plane. ✓ Portable size suitable for travel or home use. Product specifications: Product name: Special refrigerator for insulin Battery life: 24 48 hours Ambient temperature: around 35? External dimensions: 240 160 125MM Temperature inside the box: 0 18? Battery voltage: 11.1V Battery capacity: 10200mAh 2 Rated power: 15W when external power supply 9W when battery Place items to participate: 10-12 insulin injection pens or 36 bottles of interferon or 75 insulin refills Package contents: 1 x cooler. 1 x carry bag. 1 x batteries. 1 x USB charging cable. 1 x home adapter. Precautions: 1. If the external power adapter is used for a long time, please remove the battery, overcharge it and lick it. 2. If the battery has been idle for more than a week, please remove it to avoid overcharging. 3. Do not use the battery for a long time. Charge the battery every three months?Carry with you?: small in size, stylish shoulder bag, easy to carry, suitable for travel, train and airplane use. ?Widely Applications?: Widely used, can refrigerate a variety of drug categories, insulin, interferon, growth hormone, eye drops, commonly used drugs and skin care products, etc. ?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. ?High quality materials?: Environmentally friendly ABS material, hardened by UV spray paint, non-toxic, odorless, easy to clean. The liner is made of electrolytic aluminum, which cools faster and anti-oxidation. ?Nsulin 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.