Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong SiFeatures: (1) Display Function: Speed display, power-assisted gear display, power indicator, fault prompt, total mileage, single mileage, headlights and single driving time display.(2) 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.(3) Harness Red (P+) meter power cord, Blue (VCC) electric door lock wire, Black (GND) negative wire, Green (RX) Meter data receiving, Yellow (TX) Meter data transmissionSpecifications:Voltage: 24-72VPlug: Waterproof PlugMode: SL-SW900YBApplication: E-Bike Motor Conversion KitMaterial: Plasticcolour: blackPackage Contents:1 x SW900 LCD Display Control KitOnly 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.