24V 500W Motor Brush Speed Controller for Electric Bike ScooterDescription:This is brush motor controllerSuitable Voltage: DC 24vMatch Motor: 24V 500WProtection: 20V+-0.5VSpeed Regulator 1-4 V(Throttle )Size: approx 81*40*61mmColor: SilverThis item Suitable for electric bike & scooterHeavy Wires(Red and Black): Power Wires、Red:Positive、Black:negativeHeavy Wires(Blue and Yellow):Motor Wire、Blue:Positive、Yellow:negativeThree Wire Interface(Blue、Black、Red):Speed Handlebar、Blue :input signal、Red:Positive、Black:negativeBlack and Red Wire:Signal Light、Red:Power output、Black:negativeCharging Port:having label.Brake Light:having label、Black:negativeBlue and Red Wire:Electric door lockPackage Included:1 X Motor Controller