Feature:1. Dual Mode Operation: When the motor hall is normal, it works in the hall mode, and when the motor hall is abnormal or damaged, it switches to work without the hall mode.2. Automatic Identification: The brushless motor controller can provide stable speed, silent operation, sensitive braking and direction change control, and can automatically identify the phase angle and rated voltage of the electric bike.3. Aluminum Alloy Shell: The controller shell is made of aluminum alloy, which can defend the internal circuit, facilitate heat dissipation, and avoid thermal overload.4. Easy Installation: Each interface has a different color for your convenience. Wires and connectors are durable, ensuring low failure rates for extended use.5. Scope of Application: Brushless controller is efficient and energy saving, suitable for electric bikes, electric tricycles, electric four wheeled vehicles, electric motorcycles, etc.Specification:Item Type: 3000W Brushless Motor ControllerMaterial: Aluminum AlloyController Box Size: 22.5 x 12 x 7cm / 8.9 x 4.7 x 2.8inVoltage: 72/84VPower: 3000WCurrent Limit: 75ALow Voltage: 63/73VHow to Use:If you need accessories, please follow the instructionsPackage List:1 x Brushless Motor Controller1 x User Manual