1. Controller Case: The outer case of the controller is made of high quality metal material with groove design, which can protect the internal circuits from thermal overload.2. High Performance: Easy to install and use and is equipped with wiring identification diagrams to provide consistent speed and responsive braking and directional change control.3. Application range: Our 48V 20A controller is suitable for 10 inch electric scooter for KUGOO M4 types with good compatibility, suitable for daily use.4. Sensitive Control: The brushless motor controller can provide constant speed and sensitive control of braking and direction changes, providing a satisfying experience. 5. Easy to Use: Our electric scooter brushless motor controller is easy to install and use, won't increase your load or cause extra energy waste. < p>Specification: Item Type: Electric Scooter Controller.Material: Aluminum Alloy+PCB+PlasticColor: As Picture Shown .Application: for KUGOO M4 2-wheel scooterProduct size: approx. 99 x 70 x 33mm/3.9 x 2.8 x 1.3inGross weight: approx. 240g/8.5ozTension: 48VCurrent: 20A Package list: 1 controller Note: The data is manual measurement, please please allow 1-90cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.