Feature:1. ENHANCED MOTOR PERFORMANCE: By effectively controlling the motor, this controller can significantly increase motor speed and power output, providing a boost in performance for mobility scooters and electric motorcycles.2. STABLE AND COMPATIBLE: Equipped with sine wave control technology, the controller offers stable performance and is compatible with QS hub motors or mid drive motors, ensuring a smooth and efficient operation.3. SELF LEARNING DESIGN: The brushless DC controller is equipped with self learning function, stable performance and high reliability, providing a seamless integration with various electric vehicles.4. BATTERY GUARD AND RANGE EXTENSION: The controller is designed to protect the battery and extend its lifespan, while also increasing the vehicle's driving range, offering a reliable solution for electric mobility products.5. HIGH DURABILITY: Brushless DC motor controller is made of premium ABS, metal materials, ensuring durability, high temperature resistance, and rust resistance for long term stable performance.Specification:Item Type: Brushless DC Motor Controller Material: Metal and ABSModel: DK72300SRated Voltage: 72VBus Current: 65-85APhase Current: 300ASpeed: 85km/h (The specific speed needs to be combined with vehicle weight and wind resistance)Under Voltage Guard Value: 0.875xVCC1VMotor Control Mode: FOCBrake Mode: Positive 12V , Negative CompatibleFitment: For QS Motor Electric motorcycle mobility scooter 3000W.Package List:1 x Controller1 x Wiring5 x ScrewsNote:Professional installation is highly recommended! We have an electronic manual.