For the transportation of drugs, the appropriate transportation temperature is determined by the type of drugs and vaccines. Depending on the cooling box, it might be necessary to change the outer box for each set temperature range. In VIXELL, the outer box is shared with the ""Thermal storage unit"" of the inner box that stores the package. To approx. -70°C, approx. -20°C, 2°C - 8°C, 15°C -25°C by simply changing the combination. It support a wide range of temperatures. It also contributes to efficiency by saving resources.