Descriptipn: - As a practical equiment compatible for your Motorcycle. - Engine trouble light reminding. - Displaying time. - Total travel distance. - Waterproof, sun-proof, durable. - Easy installation and simple operation. - High Quality 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 A Package: As shown in the figure 1 x Motorcycle Speedometer B Package: As shown in the figure 1 x Motorcycle Speedometer 1 X Sensor About FQA Q:Are the product photos real? A:Yes,All the photos displayed are 100% real.and photos are all taken by ourself.But maybe there are some color shading because of monitors. Q:How do I pay compatible for my purchase? A: