Feature:1. High Efficiency and Energy Saving: The brushless controller is more energy efficient and can automatically identify the phase angle and rated voltage of the electric bike.2. Premium Material: The controller housing is made of aluminum alloy to keep the internal circuit. Conducive to heat dissipation and avoid thermal overload.3. High Performance: This electric scooter brushless motor controller provides stable speed, silent operation, responsive braking and directional change control.4. Easy Installation: The cables and connectors are durable, ensuring a low failure rate for long term use. Each interface has a different color for your convenience.5. Applicable: Suitable for electric bikes, electric tricycles, electric four wheeled vehicles, electric motorcycles, etc., as long as the power and voltage match.Specification:Item Type: Brushless ControllerMaterial: Aluminum AlloyController Box Size: Approx. 25.5 x 14 x 7.5cm/10.0 x 5.5 x 3.0inVoltage: 72 84VPower: 5000WCurrent Limit: 95ALow Voltage: 63 73VHow to Use:If you need accessories, please follow the instructionsPackage List:1 xBrushless Motor Controller1 x ManualNote:Please allow some errors due to manual measurement.