3.75 inch Car Universal Black Tachometer Gauge Blue Inter Shift light 0-8000 RPM

Features:
Used to measure the RPM of automobile engine.
Measurement range is 0~8000RPM.
High accuracy and easy operation.
Works on 1 2 3 4 5 6 7 8 cylinder gasoline vehicles or 1 - 2 cylinder new motorcycles.
Adjustable shift light on face.
Note:
1. It's normal the pointer is not zero in the absence of installation. After power-on, the product will check and adjust the pointer by itself.
2. If the product pointer is still not zero after power-on, can start normally, when the pointer is above zero, it can be restarted to adjust the pointer after power-off.