[Excellent performance]: The motor has strong climbing ability and low motor running noise, eliminating tire noise.[Scope of application]: Can drive sine wave motors, rectangular motors, and also suitable for Hall motors, can support 48V-60V-64V general, suitable for electric bicycles, electric scooters.[Outstanding upgrade accessories]: motor has thicker copper bars, higher inductance accuracy, smoother starting, and more comfortable riding.[Exquisite workmanship]: Our products are professionally manufactured, with stable performance, increased shell thickness, and better heat dissipation. High reliability.The uphill torques of the controller is increased, the power is strengthened, the speed can be faster, the smoothness of motor is better, and the life of the controller is longer.Name: Intelligent dual-mode brushless controllerPower: 450WCurrent limit: 25AUndervoltage: automatic identificationPhase: automatic identification (60 degree / 120 degree all can fit)Brakes: low brake / high brake48V/60V 450W brushless controller function:Colour:silverMaterial:aluminum alloyPackage Contents:1 x 450W ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.