Hign-concerned Chemical:NONESpecial Features:LCD Digital OdometerItem Weight:0.7Item Height:10.9Item Width:8.6Item Length:19.3Model Name:Motorcycle Digital SpeedometerBrand Name:MAIMEIMIOrigin:Mainland ChinaMaterial:PlasticNewest Universal Motorcycle Speedometer 7 Colors Digital Meters Instrument LCD 13000rpm Tachometer Turn Signal Light Indicator Feature: -- As a practical equiment for your Motorcycle. -- Engine trouble light reminding. -- Displaying time. -- Total travel distance. -- Waterproof, sun-proof, durable. -- Easy installation and simple operation. --Easy to Install --High Quality Description: Product Name: Motorcycle Odometer 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 Operating voltage: 10V-15V Speed calibration: 42.5Hz corresponds to 60KM/H Green: negative sensor Speed calibration: 166Hz corresponds to 13*1000r/min LCD screen: 7 colors backlight short press to switch Voltage: Less than 11.3V undervoltage symbol flashes, higher than 11.7V undervoltage symbol is not displayed Fuel calibration: E point 98, F point 8 Orange: Left turn, 12V positive control yellow/white Light blue: Turn right, 12V is controlled Green/Red Including include : Please refer to the link options for accuracy