Product parameters: Product Name: Frozen Insulin Box Battery capacity: 10200 mAh Temperature inside the box: controllable 2-18 C Product specifications: 22.5 10.3 9.5 centimeters outside the vehicle body (The above parameters are manually measured and may have some errors. Please refer to the actual product.) Precautions for use: 1. Water is not allowed in the refrigerator to avoid contact with body fluids. 2. The ventilation holes at the bottom and sides keep the air unobstructed, and there are cooling holes when installed on the laptop backpack. It must be aligned with the ventilation hole of the backpack. It is strictly prohibited to put this product in a sealed bag. It can cause poor ventilation, increase machine temperature, and damage medication. 3. When going out, prepare a reasonable number of batteries according to the length of 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 prevent overload or leakage. 5. When the refrigerator is not in use for more than a week, remove the lithium battery to prevent damage and excessive discharge, and extend the battery life. 6. When the refrigerator is not in use for a long time, charge the lithium battery every 3 months to prevent excessive discharge and extend the battery life.Noise reduction technology: The small insulin refrigerator adopts turbo silent technology, and the noise level during operation is less than 30 decibels, which will not affect the comfortable sleep of family members throughout the night. Portable travel: The insulin cooler comes with a USB power cord and home adapter cable, which can be used for various charging methods such as vans, laptops, and mobile power supplies. Accurate temperature control: The insulin refrigerator can control 2 to 8 degrees to meet the temperature control of drugs, easily controlling temperature and eliminating deviations. Easy to operate: The insulin refrigerator adopts a high-definition LED display screen, making it easy 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 standby mode: The 10200mAh lithium battery in the portable insulin refrigerator can last for 10 to 12 hours and can be connected to a mobile power source.