Describe Built-in battery life LCD screen display; Easy to operate; accurate temperature control; Refrigerate at 0-18C; Effectively prevent high temperatures from causing drug failure. Quick cooling; Vacuum cooling technology; Five-layer stainless steel temperature lock has good insulation effect. 1. Resistant to wear and scratch resistance; 2. Polyurethane technology; 3. Extra thick foam layer; 4. Thermal insulation and cold locking layers; 5. Aviation aluminum lining; High-definition screen: Touch screen temperature adjustment, easy to operate. Suitable for refrigerating medications in a variety of situations. Cooling softly: Don't worry about noise interference. Long battery life: Various medications can be stored for easy use when going out. 5-7 insulin pens; 20 insulin refills; 9 bottles of insulin drugs; Type C charging interface: socket; Car charging; Electric Power Bank (not included in the package)