1、High Quality Material: Made of aluminum alloy to ensure good toughness and waterproof function, it provides better protection for the internal circuit, making it more durable. 2、Practical Controller Kit: The brushless controller allows you to easily understand the basic status of the electric bike, such as speed, gear, power, mode, lights, etc. 3、Multifunctional Display: The display supports 3 level backlight, automatic or timer sleep mode, speed limit and many other settings, it is very practical and easy to use. 4、Easy To Use: Each cable has a different color, easy to install the panel display to electric bike, 1.3m/51.2in extension cable, perfect accessory for your electric bike. 5、Wide Application: This brushless motor controller is suitable for electric bike and bicycle, etc., bringing you a more comfortable riding experience.