Instrument parameters: Working Voltage:8-18V Rated Voltage:DC 12V Working Temperature:-20 - +70 CelsiusStorage Temperature: -30 - +80 Celsius Digital Display Speed Range: 0-199km/hNeedle Display Rpm Range:0-12000rpmDigital Display Odo Distance Range:0-99999.9km Gear Indicator:1-6 Backlight:Blue Installationdiameter:9cm Height:5.3cm Cable Length:12cm Weight:344g Features: Large anti -UV & Anti-g lare LCD screen All-in-one design with digital signal processing system Using chip technology for most of the components Multiple indicator functions as the L/R Turn Signal, High Beam, Position Lights, N Lights High withstand voltage up to 100V Waterproof & Anti-vibration Fits for most motorcycle that is with 4 stroke, 2/ 4 Cylinders (default as 1 cylinder of the setting Number: beam indicator Number Neutral gear Number Rotation rate Number High beam Number Turning right Number Oil Level Number Low battery voltage alarm Number Gear Number Mileage accumulation Number Speed Number Turning left Line function description 1[Red/black]:speed signal wire 2[Blue]:distance light Positive polar connection 3[blue/white]:outline marker lamp Positive polar connection 4[Green]:negative pole(any negative pole or ground ) 5[Black]:positive electric door lock connection 6[Red]:positive battery connection 7[Orange]:left signal Positive polar connection 8[Brown/white]:outline marker lamp Positive polar connection 9[Fleet blue]:right signal Positive polar connection 10[Green/white]:negative GR-6 connection 11[Green/black]:negative GR-3 connection 12[Yellow/red]:negative GR-4 connection 13[Yellow/white]:negative GR-5 connection 14[Green/red]:negative N gear connection 15[Pink]:negative GR-1 connection 16[Blue/red]:negative GR-2 connection 17[white]:speed sensor signal wire connection 18[Green]:negative speed sensor connection 19[Black/white]:positive speed sensor connection Must place the correct placement