100% Brand new and high quality
2IN1 Car Voltmeter + Thermometer 
Thermometer measuring range: -10 to +80 Celsius degree
Simply plug into cigarette socket, instant confirmation of battery voltage, low power consumption high light display
Suitable for 12V and 24V battery
Digital display color: Blue  
Dimension: Approx. 7.2*3.8cm (H*D)
Note: Due to the difference of various car battery, generator and stabilizer, the meaningness of diverse voltage is different. The item is only used to show the actual car battery voltage.

1 x Car Battery Monitor Voltmeter Thermometer