Features: Brand new and quality
Electronic digital display, more clear.
Accurate, shockproof, low consumption, convenient.
Engineering quality materials.
This Digital Display Voltmeter can help get temperature of your car engine.
Easy installation. The product the function of temperature alarm: the screen and the alarm sound.

Specifications: Name: Car Digital Display Voltmeter
Component: Engineering plastic
Working DC12V ~ 24V
Measuring accuracy: ± 0.1%
Dimension: about 98x57mm/3.86x2.24 inch
Cable length: 3meters/118.11 inch(approx)
Temperature: -40° ~ 85°
Thread: 17mm(M17)
Color: Black(as pictures show)
How to wire:
Red: positive; black: negative reverse, the instrument does not work)

Package Includes: 1x Digital Display Voltmeter Kit

note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
2. Please allow 1-3mm error due to manual measurement.