Description: Display Function: Speed display, power-assisted gear display, power indicator, fault prompt, total mileage, single mileage, headlights and single driving time display. Control/setting function: Power switch control, headlight switch control, 6Km/h boost control, wheel diameter setting, speed limit setting, meter sleep setting, backlight brightness setting, voltage setting. It will show the true reflection of the battery charge, real time recording of the power consumption to ensure riding mileage. When connected to a bicycle, this product will display a lot of useful data on your bike, such as riding speed, time, power and temperature. The color display on the meter makes it easier for you to see the data on the panel. Specification: Material: LCD, Plastic Voltage level: 24V, 36V, 48V Package Includes: 2 Pieces LCD Display Meter Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.