Features1Important Parameters: Rated voltage is 24V, rated power is 250W, the climbing power is stronger, the operation sound is small, eliminate tire noise. 2Function: The motor speed controller will help starting more smoothly, ensure more comfortable and smooth riding, better ensure your driving safety. 3Material: The controller housing is made of aluminum alloy with grooves to protect the internal circuit from thermal overload due to good heat dissipation. 4Safe Ensured: With undervoltage protection, overcurrent protection, stall protection and other protection functions, it ensures the use and safety of electric bicycles. 5Application: Can provide stable speed and sensitive control of braking and direction changes, suitable for electric scooters, electric bicycles.SpecificationItem Type:BrushMotorSpeedControllerMaterial:Aluminium alloyVoltage: 24VPower: 250WPackage List1 xBrushMotorSpeedController