This kind of Portable Medical Freezer is a compact, mobile refrigeration unit designed to store and transport temperature-sensitive medical supplies, such as vaccines, blood samples, and medications. These freezers maintain temperatures from 2°C to -40°C or lower, using advanced insulation and cooling systems. They operate on AC, DC, or battery power, ensuring reliability in various settings, including remote areas and emergencies. Key features include digital temperature controls, alarms, and data logging. They are essential for vaccine storage, blood sample transport, emergency response, and clinical trials, offering robust construction and security features for safe transport.