Features: ?Convenient shoulder bag for travel: You can carry it with you and go through the security check without worrying about how to store medicines. ?Power button: press for 1 second, long press for 3 seconds to shut down. ?Touch digital display to accurately control temperature. ?Intelligent automatic mode. Specification: Product Name: Insulin Special Refrigerated Box Battery life: 8-36 hours Cooling environment: about 35C lower than the ambient temperature External dimensions: 210 140 55MM Temperature inside the box: 0-18C Battery voltage: 11.1V Battery capacity: 6800MAH Rated power: 15W when external power supply, 9W when battery Packing list: Insulin special refrigerator 1 USB cable 1 Carrying case 1 Household Adapter 1?Low noise and quietness without disturbing people's clear dreams: Low noise and quietness have a long service life, and the silent care experience of no more than 30 decibels during operation allows you to sleep comfortably all night. ?Sandblasted aviation filter paper liner: the inner liner is designed with arc corners to prevent the medicines in the box from colliding on the way. Sandblasted anodizing process for long-lasting refrigerated temperatures. ?Intimate alarm reminder system: When the power of the machine is low or the temperature is abnormal, the refrigerator will beep intermittently. ?Multiple protections multiple charging methods: overcharge protection over-discharge protection over-current protection. The 10200mah battery has stable working performance, and the theoretical charging cycle of battery life is as high as 1000 times. Power bank car home battery, can be used for travel, home, commuting, business trip, etc. ?Core high-performance refrigeration system: single-core dual-core refrigeration standard. Single-core refrigeration system temperature drop rate: 0C in 10 minutes, 0-18C per 1C control can meet the temperature requirements of medicines, and easily control the temperature rejection deviation.