1、Heat Dissipation: The controller housing is made of premium metal material with a grooved design, which prevents thermal overload of the internal circuit due to excessive heat dissipation. 2、LCD Panel: The LCD display can clearly display the status and data, the backlight allows you to see the screen clearly in the dim environment, and the buttons are quick to operate and easy to use. 3、Multiple Data Displaying: The display contents of the LCD panel include real time speed of single running mileage, battery power and voltage, low battery reminder, gear indicating total mileage, fault, etc. 4、Stable and Sensitive Control: The electric bike retrofit brushless controller can provide stable speed and sensitive control of braking and directional changes. 5、Application: The brushless controller is suitable for 36V 48V 1000W motor, easy to installand use. LCD display and speed control throttle grip are suitable for 22.5mm handlebars. Item Type: Electric Bike Brushless Controller Kit Material: Aluminum Alloy, ABS Gross Weight: 1178g / 41.6oz Power: 1000W Current Limit: 38A Applicable Handlebar Diameter: 22.5mm / 0.9in 1 x Controller 2 x Grip 1 x Meter 1 x Washer 2 x Key 1 x Manual