Feature:Color: BlackDiameter: 95mm/3.75inMeasurement Range: 0~8000RPMWiring: Black (Negative), Red (Positive), Green (Speed Signal)Power: 12V DCBacklight: White LEDShift Light: Red LEDWorks on 4, 6 and 8 cylinder enginesUniversal fits 12V petrol vehicleEasy to install, durable, shockproofBright red needle for easy viewingPackage Included:1 X Tachometer Gauge1 X Installation Kit1 X User Manual