Specification Product Name: Insulin Refrigerator Box Temperature inside the box: 0 8? Cup volume: 900ml Cup inner diameter: 6.2 cm Cup body material: 304 stainless steel vacuum insulation cup Inner diameter of cooling chamber: 5 cm Input power: 5W Input voltage: DC5V Packing list 1 insulation cup cover, 1 insulation cup body, 1 ice crystal box, 1 ice bucket, 1 medicine refrigerator, 1 smart digital display refrigeration cover, 1 refrigeration compartment, 1 data cable, 1 cup sleeve Matters needing attention: 1. When using the external power supply for a long time, please remove the battery. 2. If it is not used for more than a week, please take out the battery to prevent excessive discharge. 3. Don't use it for a long time, charge the battery every three months to prevent over-discharge. 4. Due to the manual measurement of the product size, there will be a certain error. Due to different spotlights and different screen colors, the actual product may have a certain color difference. Please refer to the actual product received. 5. If you have any dissatisfaction with our products, please feel free to contact us, we will reply you within 24 hours.LARGE CAPACITY: Can hold about 4-6 insulin pens or 20 refills the refrigerator quickly cools in ten minutes, and the portable battery life is about 8 hours. POWER SUPPLY: Multiple charging methods, USB data cable, wall charger, power bank, car, home, battery can be used, suitable for travel, home, commute, business trip, office. ALARM REMINDER SYSTEM: When the power of the machine is low, the cold box will give out intermittent buzzer alarm to remind the user to replace the battery or charge it in time. PRECISE TEMPERATURE CONTROL: The insulin refrigerator can control 2-8 ?, which can meet the temperature control of medicines, easily control the temperature, and prevent deviations. THE PERFECT INSULIN STORAGE REFRIGERATOR: Avoid exposing your medication to extreme temperatures. Most people prefer to store insulin privately. Medicines should be stored separately, safe and hygienic, to avoid cross infection.