Product parameters Product Name: Insulin Special Refrigerator Battery life: 4 hours Cooling temperature: about 25 C lower than ambient temperature External dimensions: 210 150 60mm Internal dimensions: 190 60 25 millimeters Temperature inside the box: 0-18 C Battery voltage: 3.7V Battery capacity: 10200mah Rated power: 10W with external power supply, 5W with battery prevention: 1. It is strictly prohibited to enter the machine and avoid contact with liquids. 2. The ventilation holes at the bottom and on both sides keep the air unobstructed. When loading a portable backpack, the ventilation holes of the backpack must be aligned with the heat dissipation holes. It is strictly prohibited to put the refrigerator in a sealed bag, otherwise it will block the air, increase the temperature inside the box, and damage the medicine. 3. When going out, prepare a reasonable number of battery packs according to the travel time to ensure the normal use of the machine. 4. When using an external power source for a long time, remove the lithium battery to avoid overload or leakage. 5. When the machine is not in use for more than a week, remove the lithium battery to prevent excessive discharge and extend its lifespan. 6. When the machine is not in use for a long time, charge the lithium battery every 3 months to prevent excessive discharge and extend the battery life.Quiet: The working frequency of the insulin refrigerator does not exceed 30 decibels, which will not affect the normal sleep of the family. Portable travel: The insulin cooler comes with a USB power cord and charger, which can be used for various charging methods such as vans, laptops, and mobile power supplies. Large capacity: The insulin refrigerator can accommodate approximately 5 insulin pens 10 bottles of interferon 24 insulin refills. All kinds of drugs are prepared at home and can be used at any time. Easy to operate: The insulin refrigerator adopts a 5.5-inch high-definition LCD display screen, which is convenient for the elderly to operate The portable insulin refrigerator adopts intelligent constant temperature technology, which can cool or heat and maintain the set temperature. Long term waiting: The lithium battery in the portable insulin refrigerator can work for 4 hours in the refrigerator.