Feature:1. Compatibility: With 72V rated voltage, 120A Bus current, 360A phase current, the electric motorcycle controller is compatible for QS Motor Electric motorcycle mobility scooters up to 3000W.2. Increase Motor Power: Brushless motor controllers effectively control the motor, which can significantly increase the speed and power of the motor, reaching a maximum speed of 105km/h.3. Stable Performance: Sine wave type controller has stable effect, not easy to fluctuate. It can be well matched with QS hub motor or QS middrive motor.4. Premium Material: Electric motorcycle speed controller is made of aluminium alloy and ABS, highly resistant to high temperatures and erosion, ensuring long term stable use.5. Self Learning Function: Sine wave controller is a brushless DC controller with self learning function, it matches well with QS motor, if you want to match with new brand motor, some parameters need to be tested by yourself.Specification:Item Type: Electric Motorcycle ControllerMaterial: Aluminium alloy+ ABSModel: DK72360Voltage: 72V (36-100V, default is 72V)Bus Current: 120APhase Current: 360AMaximum Speed: 105km/h (The specific speed needs to be combined with vehicle weight and wind drag)Fitment: Fit for 3000W QS Motor Electric motorcycle mobility scooter.Package List:1 x Controller1 x Transparent Cover5 x Screws2 x Wiring