1.[RAINPROOF LCD DISPLAY] The display is made of high quality material, lightweight, rainproof and durable. LCD display can clearly display status and data, the backlight allows you to see the screen clearly in a dim environment, and the buttons are quick and easy to use. 2.[BRUSHLESS CONTROLLER]The brushless motor controller has stable performance and quiet operation, and is sensitive to the working state of the bicycle. The electric bike motor controller can provide steady speed and sensitive control of braking and direction changes. 3.[ABOUT SIZE]The LCD measures 80x48x48mm/3.1x1.9x1.9in with 52 x 38mm/2 x 1.5in screen. The electric bicycle scooter brushless controller kit is easy to install and use, comes with mount for LCD display and it is suitable for 22.5mm handlebar. 4.[IDEAL REPLACEMENT]The electric bike instrument controller set is very practical accessories kit to modify your electric bike and scooter. Each cable is marked with a color for different purposes. Suitable for electric bicycles, cars, scooters, motorcycles, mini bikes etc.