Colour:Black Material:Metal+Plastic Package Contents: 1 * Ebike Display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 3. Parameter setting function: It has multiple user parameter setting functions, which can set and adjust motor parameters, speed measurement parameters, speed limit parameters, power parameters, power assist control parameters, controller minimum voltage and maximum current parameters. different models 5. Cruise and constant speed function: through the setting and display of the cruise function, the vehicle speed can be maintained automatically, so that the vehicle can run at a constant speed; night driving function: with LCD backlight display and headlight switch control function, when driving at night Can turn on the instrument backlight and car lights 1. Data display function: display cycling parameters such as riding speed, single mileage and accumulated mileage, riding timing, auxiliary gear, motor working power and temperature, battery voltage and power status, status, and operating environment temperature 2. Intelligent power function: truly reflect the battery power status, consumption in real time, and the riding mileage; gear setting function: assist multi-gear switching and automatic storage of gears, and can restore the status when it is turned off when it is turned on Gear status 4. Data viewing function: users can view and clear riding history data, view single or accumulated riding time, riding mileage, single riding maximum speed and average speed, etc.; vehicle boost function: with 6Km /h boosting function, the boosting sign flashes when boosting, which can be used by the when pushing the bike, which saves effort and is easy to push the bike