... 1.Insulin cooler box 2.4000+12,000mAh lithium battery 3.Dual termperature LCD display 4.One key operation 5.2 ... portable. Pocket-sized body, small fine, configuration lithium battery-powered systems, and vehicle power supply connectors, light ... temperature and user settings box temperature, dual temperature real-time display; refrigeration, freezing, fans, battery power, temperature control status at ...