Feature:1. Brushless Motor Controller: This bike motor controller can provide stable speed and sensitive control of braking and direction changes.2. Quality Assurance: The wire and interface are durable, ensuring low failure rate for long term use, more efficient and more energy saving.3. Practical Parts: Brushless controller is a good accessory for electric bicycles, scooters, etc., bringing you more comfortable riding experience.4. Good Heat Dissipation Function: Controller shell is made of metal with design, which can the internal circuit and avoid thermal overload.5. Dual Mode Controller: Intelligently identify the state of the motor hall, switch the working mode, the hall is normal, there is a hall operation, and when it is damaged, it switches to no hall operation.How to Use:If you need to connect other accessories, please follow the instructions.Specification:Item Type: Electric Brushless Motor ControllerColor: As Pictures ShownMaterial: Aluminum AlloyVoltage: 48/60VPower: 500WCurrent Limit: 28ALow Voltage: 42/53VWeight: Approx.655g/23.1ozController Box Size: Approx. 15x8.5x4.5cm/5.9x3.3x1.8in Package List:1 x Controller1 x Manual