Digital Car LCD Clock Voltmeter Thermometer Battery Voltage Temprerature Monitor DC 12V-24V Freeze Alert |

Features:  Time/Date display, 12/24 hour system conversion.  Snooze function, snooze time: 5 minutes.  Capable of switching temperature display unit Celsius/Fahrenheit degree.  Pedestal 180-degree revolve.  When the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries.  Car battery voltmeter.  Powered by car cigarette lighter charger or 2 x LR44 batteries (NOT included).  Display accurate temperature readings in and outside of the car.  Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.  The LED backlight design allows you to accurately read the digits in the dark.  Easy to install and use, a perfect accessory for your car.  Also has the function of freeze alert.  When it connects with car, its backlight is light up and all the contents (including the time, temperature and voltage) will be displayed on the LCD screen.    Specifications: Material : Plastic  Color : Black+Green Frame+Green Backlight/Black+Blue Frame+Blue Backlight Working Voltage: DC 12-24V  Power: 0.6W Power Supply: Build-in 2 x LR44 Button Batteries(Not Included)  Base Diameter: 4.5cm/1.77" Panel Size: 9x5cm/3.54x1.97" Power Cord Length: Approx. 150cm/59"  Temperature Sensing Line Length: Approx. 200cm/78.7" Temperature Measurement Range: -50°C-70°C Temperature Display Resolution: 1°C Temperature accuracy: ±1°C Temperature measuring duration: 20s Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thank you!   Package Contents: 1 x Car Voltage Meter Clock Thermometer 1 x Double-sided Adhesive Tape 1 x User Manual