Feature:1. 36V 48V universal (support two voltages at the same time).2. There is no noise, vibration, softness and comfort when driving.3. More stable, higher efficiency, lower current consumption, long life time.4. 36V/48V 22A controller is suitable for 36V/48V 500W/750W brushless motor.5. Fine workmanship, provide good usage experience.Specification:Condition: 100% brand newItem type: Rectangula ControllerMaterial: aluminium alloyColor: As picture shownWeight: Approx. 410g Maximum current: 22±1ARated voltage: DC36V/48VSpeed set: 1-4.2VRated current:11ABrake input: Low-LevelLow volage protection: DC30/40±0.5V36V/48V 22A controller is suitable for 36V/48V 500W/750W brushless motorPackage List:1 xRectangula Controller Notice:Please first confirm whether your motor output cable is a 9‑core waterproof cable.Secondly, please confirm whether the instrument you are using is KT series, because KT is responsible for our controller.