Item Name: Universal Auto Car Tachometer Tacho Gauge 0~8000 RPM Meter 7 Colors Adjustable. Product DescriptionAuto Car Tachometer Tacho Gauge 0~8000 RPM Meter Universal Car Motor 7 Colors Adjustable Led Meter Pointer RPM 12V 3.75" 95mmHighlights:It does not work on diesel cars.Specification:Model type: Tachometer