SPECIAL WARNING(S): Each cable of the brushless e-bike speed controller has a different color. It is easy to connect the panel display to an electric bike. Perfect controller accessories for electric bikes, etc. MONITORING STATUS OF THE VEHICLE: With the Brushless Controller display you can see the basic state of the e-bike in terms of speed, speed, power, mode, lamp etc. easy to check. FURTHER INSTALLATIONS: The LCD display controller supports three levels of background lighting, several settings such as the sleep mode for auto or timer mode, speed limitation and more. It is very practical and easy to use. Screen color: color screen specifications: 52V 25A 1200-1600W Display function keys: Power button, Function button Parameter display: Function, Speed, Gear Reverse side of throttle has a charging port just plug in USB cable to charge your devices Controller cable function: Speed limiting, Meter cable, Brake sensor, Brake light ,Front light, Power cable, motor cable Colour:black+silver Material:metal+plastic Package Contents: 2 x Brushless Motor Controller 1 x Bike Scooter 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.