Multiplication gauge is the perfect complement for all street use Gauges include: speedometer, tachometer, odometer, voltmeter and clock Speed is displayed digitally; RPM via analog gauge Stepper motor allows for a faster and smoother response and more accurate information Indicator lights in multiple colors allow for easy recognition H-D model uses 3-pin OEM speed sensor Measure 3.00" diameter without bezel; 3.40" with bezel x 1.75" Diameter (without bezel). SPEED MULTIMETR HD BK/BK