1、Easy to Use: The LCD display panel can show status and data clearly, the backlight design allows you to see the screen clearly in dark environment, and the quick operation with buttons is easy to use. 2、Double Drive: Double drive controller instrument kit adopts the same set of control system. Main controller and sub controllers are connected to the respective motors. When the identification line is disconnected, the system can simultaneously control 2 motors run synchronously with the same speed, such as brakes, reversing and speed control. 3、Quality Material: LCD display controller kit uses high quality aluminum and ABS materials with fine craft, ensuring good toughness and waterproof effect, protecting the internal circuitry, more durable. 4、Sensitive: Adopts a brushless motor controller, stable and silent while running, sensitive to the working state of the bicycle or scooter with short response time. 5、Wide Application: Easy to install and use with good performance. With a bracket of LCD screen which is suitable for 22.5mm scooter and bicycle handle bar, suitable for electric bicycles, scooters, etc. Item Type: Electric Bicycle Scooter Brushless Controller Material: Aluminum Alloy + ABS Application: For Electric Bicycle, Electric Scooter Product Size: Controller Box: Approx.11.5x8.5x4.5cm/4.5x3.3x1.8in Weight: Approx.1111g/2.4lb Power: 450W Current Limit: 23A 2 x Controllers 1 x LCD Display Panel 1 x Manual