About this item: 1. Universal Speedometer is adjustable for all kinds of tire size, fits for 8-22 inch wheels 2. Digital Tachometer has ALL-IN -ONE function: Speedometer, Odometer, Tachometer, Fuel Level, RPM Indicator, Turn Light 3. Universal Speedometer could work on 2 stroke and 4 stroke motorcycle, compatible with 1 cylinder, 2 cylinder and 4 cylinder motorcycle 4. For 1 cylinder and 2 cylinder motors, RPM cable connects trigger signal line positive pole. For 4 cylinder motors, RPM cable connects ignition coil input Line. Install the speed sensor cable following the instruction Product name: Motorcycle refitted Z1000 LCD instrument Special Features: LCD speedometer Working temperature: -30-85 Working voltage: 9-16V Material: plastic colour: black Package Contents: 1 x Motorcycle Tachometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.