1、Fitment: Fit for QS wheel hub motor, fit for QS medium drive motor, strong compatible with QS motor. 2、Controller Function: Fit for Hall plug, reverse drive, brake and low speed when the voltage is 0, throttle (0‑5V), high brake 12V. 3、Advantages: Support PC programmable, program port, motion model, can be used for parking, anti theft, magnetic flux attenuated current. 4、Outstanding Features: Effectively control the motor and enhance the speed of the motor to effectively increase the motor power. 5、Stable Performance: The rated power of the mating motor is 800W‑2000W, IP67 water resistant, melt weakening rate is 170%. Item Type: ECU Sine Wave Controller Material: ABS 1. Available Battery Voltage: 72V 2. Maximum DC Current: 55A 3. Boost DC Current: 60A 4. Peak Phase Current: 190A 5. Maximum Power: 3960W 6. Mosfets Detail: 12 FET 7. Matched Motor Rated Power: 800W-2000W 8. Maximum Efficiency: 92% 9. Degree of Water Resistant: IP67 10. Flux Weaking Ratio: 170% 11. Certification: CE 12. Working Communication: Fit for Hall Sensor 13. Support Programmable by PC Applicable Motor Type: Fit for QS hub motor, fit for QS medium drive motor (strong matching with QS motor) Applicable Models: Fit for electric motorcycle, electric cycle 1 x Controller 3 x Wiring Harness 5 x Large Screws 4 x Small Screw