BLLYOGU 3.75" 12V Digital Tachometer Gauge, 0-8000 RPM, for 4/6/8 Cylinder Gasoline Engines

Accurate Engine Monitoring: This tachometer offers a precise RPM range from 0 to 8000 RPM, ensuring you have full control over your vehicle's engine speed.. Customizable Shift Alert: Equipped with an adjustable shift light alarm (2000 - 8000 RPM), this tachometer allows you to personalize your driving experience. Simply turn the knob to set your preferred shift alert value, and the illuminated shift light will guide you for optimal gear changes.. Wide Compatibility: Designed for 12V, 4/6/8 cylinder gasoline engines, this tachometer is versatile and suitable for a variety of vehicles. Set the number of cylinders to match your engine for accurate readings. (NOT suitable for diesel vehicles, Only for 12V petrol vehicles.). Adjustable Backlight for Visibility: Featuring 5 levels of adjustable backlight brightness, this tachometer ensures clear visibility in all lighting conditions. A quick press of the button lets you switch between settings, making it perfect for both day and night driving.. Easy Installation with users manual in English. Professional installation is highly recommended.