... 2.4000+12,000mAh lithium battery 3.C/F dua display 4.One key operate 5.2-8 'C Features ... up a dual temperature control system, Celsius, Fahrenheit temperature of any conversion, and has low-temperature freezing capabilities. Smart Display.The ... box has LCD real-time display of temperature and user settings box temperature, dual temperature real-time display; refrigeration, freezing, fans, battery ...