Feature:1. GROOVED HOUSING: The controller housing is made of highquality metal with grooved design, which protects the internal circuit from thermal overload due to good heat dissipation.2. SCOPE OF APPLICATION: Easy installation and disassembly, suitable for electric bicycles, scooters, etc., with LCD screen bracket, suitable for 22mm diameter handlebars.3. HIGH SENSITIVITY: The brushless motor controller for electric bicycles can provide stable speed and sensitive control of braking and direction changes, with stable and reliable performance.4. WORKING IN 3 MODE: When motor hall is normal, it will automatically run in sine wave mode. When one motor hall is damaged, it will be automatically identified and repaired. When all the halls are damaged, it will switch to no hall mode. Memory after identifying phase sequence, there will be no error when Hall is damaged.5. LCD DISPLAY: Can clearly display the status and data, the backlight function allows you to see the screen clearly in the dim environment, and it supports buttons for quick operation and easy to use.Specification:Item Type: Brushless Motor Controller SetMaterial: Aluminum AlloyWeight: Approx. 664g / 23.4ozPower: 500WCurrent Limit: 28A.Package List:1 x Brushless Motor Controller1 x LCD Panel1 x Manual