Processing customization No Model 184 type digital display tachometer specifications black, electroplating universal digital motorcycle LCD display speedometer, odometer, technical gauge, fuel gauge 1-4 cylinders 7-color backlight product name: universal multi-functional modified instrument speed Meter/Odometer/Oil Gauge/Odometer Combined Model: MLS037 Weight: 400g Dimensions: 5.5*6.5*7.5cm Product Material: Iron-plated + Glass Surface Use Voltage: 12V Installation Scope: Suitable for all motorcycles. Features: LCD digital display speedometer (0 – 199 km/H). Can it be set to km km/H and miles MPH Tachometer, (0 – 10000 rpm) Odometer has accumulative mileage and zero return trip, the mileage is displayed by default Fuel gauge is easy to install. Universal mechanical speed line interface. All black line: positive pole power cable Green line: negative pole – black light display Blue/white line: positive pole – oil level display Black/red line: positive pole tachometer display