Vehicle Electronic Clock Luminous Internal Thermometer Voltmeter 3 in 1

Vehicle Electronic Clock Luminous Internal Thermometer Voltmeter 3 in 1 Feature: Set time,temperature,pressure three kinds of functions in one Total 4 display mode: Display only time Display only temperature Display only pressure Interchanging display time,temperature and pressure Can be connected to the car 12V power supply, or connected to the cigarette lighter interface Temperature error manual correction function, Setting Range: -5 ~ 5 Built-in backup battery,after car off the power,continues to travel time Compact size: 133 * 26 * 23mm Package Included: 1 X Electronic Clock