Precise RPM Monitoring for Gasoline Engines: (NOT suitable for diesel vehicles, Only for 12V petrol vehicles.)
Gain full control over your vehicle's engine speed with this 3.75" 12V digital tachometer gauge.
Designed for 4/6/8 cylinder gasoline engines, it offers an accurate RPM range from 0 to 8000 RPM.
Customize your driving experience with an adjustable shift light alarm, and enjoy clear visibility in all lighting conditions with 5 levels of adjustable backlight brightness.