Specification Brand : Buachois BulletPoint : 4000W 0-220V AC SCR Electric Voltage Regulator Motor Speed Controller Dimmers Dimming Speed With Temperature Insurance BulletPoint1 : Aluminum Alloy Housing: The controller housing is crafted from high-quality aluminum alloy, providing excellent heat dissipation and protecting the internal circuit from thermal overload. BulletPoint2 : Reliable Performance: With a voltage of 48V and a current of 21A, this brushless motor controller delivers stable and reliable performance for your electric scooter. BulletPoint3 : Multi Protection: This brushless motor controller is equipped with under voltage protection, over current protection, stall protection, and other safety features to ensure the utmost safety while using your electric scooter. BulletPoint4 : Sensitive Control: Experience stable speed and precise control of braking and direction changes with this brushless motor controller's sensitive control system. BulletPoint5 : Scope of Application: Designed for electric bikes and electric scooters, this DC brushless motor controller is well-made and suitable for a wide range of applications. Color : 433mhz ExternallyAssignedProductIdentifier : 3775438971259 ItemName : Brushless Motor Controller,48V 21A Aluminium Alloy E-Bike Brushless Motor Controller for Electric Bicycle Scooter ItemPackageDimensions_Height : 20.8 centimeters ItemPackageDimensions_Length : 4.1 centimeters ItemPackageDimensions_Width : 16.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : motor-speed-controllers Manufacturer : Buachois Material : Copper ModelName : GBJULKJZ ModelNumber : GBJULKJZ NumberOfItems : 1 PartNumber : Buachoisp7uo0nr8g6 ProductDescription : Specification: Item Type: 48V Brushless Motor Controller Material: Aluminum Alloy Voltage: 48V Current: 21A