Feature:1. The shell of the controller is made of high‑quality aluminum alloy with design, durable.2. It has fine heat dissipation function, which protects the internal circuit and avoids thermal overload.3. The brushless motor controller provides stable speed and sensitive control of braking as well as direction changes.4. The brushless motor controller for electric scooters is simple to install and use.5. The LCD display handle is suitable for 22.5mm/0.9in handlebars, and it can show the power and state of the scooter.How to Use:Connect the handlebar socket to the handlebar interface of the controller to realize the functionSpecification:Item Type: Controller and Handlebar Set for Electric ScooterMaterial: Aluminum AlloyHandlebar Wire Length: Approx. 180cm/5.9ftController Box Size: Approx. 15x8.5x4.5cm/5.9x3.3x1.8inPower: 500WCurrent-limiting: 28AVoltage: 36V/48VMeanings of the Color of Handlebar Wire:1. Red: Power Input2. Yellow: Gate Output3. Blue: Signal Transmission4. Green: Signal Receive5. Black: Cathode Handlebar Weight: Approx. 950g/2.1lb Package List:1 x Controller1 x Handlebar1 x Half Twist Throttle1 x Meter1 x Handlebar Buckle1 x Instruction