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 for medication storage. 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 cold temperatures using direct current. The cooling effect is transferred inside the medicine compartment while heat is dissipated through a built-in fan. 3. Versatile Storage Solution: Ideal for storing temperature-sensitive medications such as insulin, interferon, growth hormones, eye drops, serum, and other biologics during travel or daily use. 4. Compact and Portable Design: Features a stainless steel inner lining with vacuum-sealed welding technology for improved thermal performance and protection. Its lightweight, compact build makes it convenient for travelers, commuters, hikers, campers, and outdoor enthusiasts. 5. User-Friendly Control: Equipped with a simple three-button control panel and temperature display, this cooler is easy to operate, including for elderly users. Specifications Item Type: Insulin Cooler Travel Case Material: ABS, Stainless Steel Temperature Range: 0–18°C when plugged in; 4–18°C with external power source Power Supply: USB powered (compatible with home outlets, portable power banks, car chargers, and digital devices) Suitable Locations: Home, office, vehicle, pharmacy, hospital, or any location requiring refrigerated storage Suitable for: Insulin, interferon, and other medications requiring refrigeration Package Contents 1 x Insulin Cooler Travel Case 1 x Car Charging Cable 1 x Rechargeable Battery Charging Cable