About this item: 1. Universal Speedometer is adjustable for all kinds of tire size, fits for 8-22 inch wheels2. Digital Tachometer has ALL-IN -ONE function: Speedometer, Odometer, Tachometer, Fuel Level, RPM Indicator, Turn Light3. Universal Speedometer could work on 2 stroke and 4 stroke motorcycle, compatible with 1 cylinder, 2 cylinder and 4 cylinder motorcycle4. 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 instructionProduct name: Motorcycle refitted Z1000 LCD instrumentSpecial Features: LCD speedometerWorking temperature: -30-85Working voltage: 9-16VMaterial: plasticcolour: blackPackage Contents:1 x Motorcycle TachometerOnly 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.