Advantage : In 38 degree temperature, keep 18 degree hours on 72nd,In zero 15 degree temperature, keeping 18 degrees over 40 hours.
Capacity: can hold 2 insulin injection pen refill.
Design of portable household insulation cup size, easy to carry. Low power consumption ,energy-saving, Portable ,light weight.
Reliability: Built thermometer to understand the effect of cold storage. Is the only products of similar products in the configuration of the thermometer.
