Features 1. Large Holding Capacity: The insulin cooler case can hold approximately 5 insulin pens, 8 growth hormone vials, or 9 interferon vials, providing ample space to meet your medication storage needs. The container maintains a temperature range of 0–18°C for up to 30 hours. 2. Advanced Cooling Technology: This insulin cooler travel case uses a thermoelectric cooling system that generates cool temperatures using direct current. The cold is transferred into the medicine compartment while heat is dissipated through a built-in cooling fan. 3. Versatile Storage Solution: Ideal for storing temperature-sensitive medications while traveling. Suitable for insulin, interferon, growth hormones, eye drops, serum, and other biopharmaceuticals requiring refrigeration. 4. Compact and Portable Design: Features a stainless steel inner lining with vacuum-sealed welding technology for improved safety and insulation. Its compact size allows for easy transport, making it convenient for travelers, commuters, hikers, campers, and outdoor enthusiasts. 5. User-Friendly Control: Equipped with a simple thermal display and three-button control panel, this cooler is easy to operate, including for elderly users, offering reliable temperature management for daily medication storage. Specifications Item Type: Insulin Cooler Travel Case Material: ABS, Stainless Steel Temperature Adjustment Range: 0–18°C when plugged in; 4–18°C with external power source Power Supply: USB powered (compatible with home outlets, portable chargers, car adapters, and digital devices) Suitable Locations: Home, office, vehicles, pharmacies, hospitals, and other environments Compatible With: Medications and biological agents requiring refrigerated storage, such as insulin and interferon Package Contents 1 x Insulin Cooler Travel Case 1 x Car Cable 1 x Rechargeable Battery Charging Cable