24V 500W Motor Brush Speed Controller for Electric Bike Scooter Description: This is brush motor controller Suitable Voltage: DC 24v Match Motor: 24V 500W Protection: 20V+-0.5V Speed Regulator 1-4 V(Throttle ) Size: approx 81*40*61mm Color: Silver This item Suitable for electric bike & scooter Heavy Wires(Red and Black): Power Wires,Red:Positive,Black:negative Heavy Wires(Blue and Yellow):Motor Wire,Blue:Positive,Yellow:negative Three Wire Interface(Blue,Black,Red):Speed Handlebar,Blue :input signal,Red:Positive,Black:negative Black and Red Wire:Signal Light,Red:Power output,Black:negative Charging Port:having label. Brake Light:having label,Black:negative Blue and Red Wire:Electric door lock Package Included: 1 X Motor Controller