New Universal Motorcycle LCD Digital 13000rpm Speedometer 7 Colors Backlight Adjustable Engine 2-4 Cylinders Odometer -- Function: - As a practical equipment for your motorcycle. - Engine trouble light reminding. - Time display. - Total travel distance. - Waterproof, sunproof, durable. - Easy installation and simple operation. - Easy to install - High quality Description :Product name: motorcycle meter Black: positive yellow Red: battery positive blue/red Blue: high beam, 12V is controlled green/black Blue and white: fuel signal line Black and white: sensor signal Working voltage: 10V-15V Speed calibration: 42.5Hz corresponds to 60KM/H Green : negative sensor Speed calibration: 166Hz corresponds to 13 * 1000 r/min LCD screen: 7 colors backlight short press to switch Voltage: undervoltage symbol below 11.3V flashes, undervoltage symbol above 11.7V is not displayed Fuel calibration: E point 98 Omega;, F point 8 Omega ;Orange: turn left, 12V positive control yellow/white Light blue: turn right, 12V is green/red control Product photo Installation guide