Feature:1. Compatibility: ECU sine wave controller is fit for QS wheel hub mid drive motor, bringing you professional use results.2. Low Noise: High power controller can improve the work efficiency, strong starting power and low motor noise, practical for use.3. High Power: Effectively control the motor, significantly enhance the motor speed and increase the motor power.4. Performance: The controller has a protection function to avoid motor burnout, not only to protect the battery, but also to increase the running distance.5. Upgraded Design: Professional design with for CE, for CCC certification, support programming, stable effect and not easy to fluctuate.Specification:Item Type: ECU Sine Wave ControllerMaterial: ABS, metal1. Available Battery Voltage: 48v-72v2. Maximum DC Current: 100A3. Current DC Boost: 130A4. Peak Phase Current: 330A5. Maximum Power: 7800w6. Mosfets Details: 18 field effect transistors7. Supporting Motor Rated Power: 2kw-3kw8. Maximum Efficiency: 88% - 93%9. Waterproof Grade: IP6710. Certification: for CE, for CCC11. Work Communication: for Hall Sensor12. Computer Programmable SupportApplication: Suitable for QS wheel hub mid drive motor.Package List:1 xSine Wave Controller3 x Wire Harness