In this video, we take a focused look at the specifications and what they mean in practice for the Phefon FS-12L Medical Cooler Box. You'll see a detailed walkthrough of its 12-liter capacity, 24-hour cooling performance, and key features like the temperature display and lockable lid. We demonstrate how this portable cold chain storage device effectively maintains temperature-sensitive medicines, vaccines, and blood samples during transport, ensuring compliance with CDC standards and real-world reliability for healthcare professionals.