AUTOLOVER Car Thermometer Voltage Meter Luminous Clock,4 in 1 Car Digital Thermometer Voltmeter Clock Alarm Monitor with 2 Backlights and Freeze Alert DC12V-24V(1 Pcs);

Main features:
4 in 1 design
This car voltmeter is a multipurpose clock with four functions, including time, thermometer, voltmeter and backlight, which can effectively inspect your automobile in real time.
Voltage indicator
With the voltage indication function, you can check and maintain your car through the indication of car battery's voltage.
Frost alarm function
Temperature measurement range is from - 50 Deg.C to 70 Deg.C with frost alarm function, which reminds you to avoid icing that may cause damage to your vehicle when the temperature is lower than the freezing point.
Snooze function
Designed with the snooze function in the alarm function, you can set the 5 minutes snooze by pressing the "SNZ" key, rather easy to operate.
2 units
There are degree Celsius and Fahrenheit degree of the temperature units for you to choose, meeting different reading needs.
LED dual color backlight
Backlight (orange and blue for choices) will light up and all the contents (time / temperature / volt) will be displayed on the LCD screen when it is powered by the car cigarette. And there would be no backlight and LCD will display the time and temperature when it is powered by backup batteries.

Specifications:
Material: plastic, glass
Display type: digital LCD display
Time / date display: 12 / 24 hour system conversion
Voltage: DC 12 - 24V
Power: 0.6W
Temperature measuring range: minus 50 to plus 70 Deg.C
Temperature display resolution: 1 Deg.C
Temperature accuracy: minus or plus 1 Deg.C
Base diameter: 4.5cm
Sensing line length: about 200cm
Power line length: about 150cm
Temperature measuring duration: 3 seconds
Standby power: 2 x LR44 button cell (not included)
Package Contents: 1 x Digital Car Thermometer with Car Charger, 1 x User Manual in English, Chinese and Russian , 1 x Package Box