Features:
Used to measure the RPM of automobile engine.
Measurement is 0~8000RPM.
High accuracy and easy operation.
Works on 1 2 3 4 5 6 7 8 cylinder gasoline or 1 - 2 cylinder new motorcycles.
Adjustable on face.

Note:
1. It's normal the pointer is not in the absence of installation. After -on, the product will check and adjust the pointer by itself.
2. If the product pointer is still not after -on, can normally, when the pointer is above , it can be restarted to adjust the pointer after -off.

Specifications:
Color: Black 
Material: ABS
Background : blue
Input Voltage:
Package Size: 14 * 14 * 14cm / 5.5 * 5.5 * 5.5in
Weight: 367.5g / 13oz

Package List: K19525
1 * 3.75" Gauge
1 * Installation Instruction
1 * Package of fitting

Note:
NOT suitable for diesel , Only for 12V petrol .