Applications： There is a cooling and heating system in the working room of the blood transport box, and the fan drives the hot and cold air in the working room, which is evenly distributed around the working room to keep the temperature in the box constant. Putting the thawed blood flat into the working room solves the problem of safe storage of blood in emergency transportation. Features Small size, light weight, easy to transport The use adopts microcomputer control, semiconductor refrigeration, manual adjustment, automatic cooling and heating The insulation layer of the box is made of polyurethane foam, which has strong heat insulation ability Multiple choices of power supply mode: 220V AC power supply, 12V vehicle power supply Using high-efficiency refrigeration sheet and high-precision temperature control system, it can reach the set temperature in a short time