Specification: brush motor controller Suitable Voltage: 24v Match Motor: 24V 500W Current Limit: 28A+-1A Short Voltege Protection: 20V+-0.5V Speed Regulator 1-4 V(Throttle ) This item Suitable for electric bike & scooter Wires Interface Definition: Battery :Thick Black (Power Negative) /Thick Red (Power Positive) Motor :Thick Yellow (Motor Negative) /Thick Blue (Motor Positive) Ignition Switch :Thin Red(VCC)/Thin Blue Indicator : Thin red (Indicator power output) /thin black (indicator negative) Brake :thin yellow (Brake signal)/thin black(Negative Power) Speed governor :Thin blue(Speed handlebar Signal input) /Thin black (Negtive Power) /thin red(5V Positive Power) Charge Port : Thin red (charge input power Positive) /thin black (Power negative) Brake Light: Thin red (power Positive) /thin black (Power negative)　Package Includes ● 1x brush motor controller