Be suitable for all kinds of tacho RPM sensors, and display the rotation speed of the engine.
Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration.
Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.
With ultra-wide working voltage design( long-term operating voltage: 9-32V, Maximum up to: 36V (≤ 1 min)).
There is a button in the back of tachometer, you can press it to adjust speed ratio.