Controller Housing: Controller outer shell is made of high quality metal material with grooves design, able to protect the internal circuitry from thermal overload.High Performance: Easy to install and use and is equipped with wiring identification diagrams to provide steady speed and sensitive braking and directional change control.Applicable Range: Our 48V 20A controller is suitable for the 10 inch electric scooter for KUGOO M4 types with good compatibility, suitable for daily use.Sensitive Control: Brushless motor controller can provide steady speed and sensitive control of braking and directional changes, providing a satisfying experience.Easy to Use: Our electric scooter brushless motor controller is easy to install and use, will not increase your burden or cause additional energy waste.