Features: 1.Perfect Fitment: 52mm/2in water coolant temperature gauge fits for all gasoline modified models, sensor thread size is 1/8 inch NPT, perfect matching your motorcycle. 2.Color Setting: 7 color water temp gauge can switch the color of light you want, with blue, green, red, turquoise, yellow, purple and white, help to improve visibility when driving at night. 3.Function: Water temp gauge can quickly and accurately detect and display the coolant fluid temperature, ensuring temperature not over heat causing engine damage. 4.Excellent Performance: Professional manufacturing, exquisite workmanship, weather resistant, stable performance and high reliability, can be used in harsh environment. 5.Simple Installation: The installation is simple, yellow connects to light switch 12V(+), red to battery (+), green to sensor, black to battery (?), convenient for using. Specification: Item Type: Water Temp Gauge Material: ABS plastic Size: Approx. 52mm/2in Sensor Thread Size: 1/8 inch NPT 7 Pure Color Settings: Blue, green, red, turquoise, yellow, purple and white Installation: Yellow to light switch 12V(+) Red to battery (+) Green to sensor Black to battery (-) Fitment: Fit for all gasoline modified models