95mm 3.75inch Tachometer Tacho Gauge Meter 0-8000 RPM With LED Shift Light 12V

Description: Works on 4, 6 and 8 cylinder engines Universal fits 12V petrol vehicle Easy to install, durable, shockproof Bright red needle for easy viewing Specifciation: Color: Black Diameter: 95mm/3.75in Measurement Range: 0~8000RPM Wiring: Black (Negative) Red (Positive) Green (Speed Signal) Power: 12V DC Backlight: White LED Shift Light: Blue LED Note: When connecting the signal, first with a multimeter to detect the voltage, and the green signal line is absolutely can not come into contact with the positive power, otherwise it would damage the motherboard. Package Included: 1 x Tachometer Gauge 1 x Installation Kit 1 x User Manual