Features :Motor brushless controller for Electric bicycle & scooterRated voltage: 48 VRated current : 31ARated power: 500 WMatching motor: brushless motorUnder Voltage Protection:41Throttle voltage: 1V to 4.2VPhase angle: 60/120 degreesBrake level: Low /HighHeat dissipation: Natural coolingAmbient temperature: -20 degrees to 50 degreesProtection grade: IP55Dimensions::17cm(L)x8.2cm(W)x4cm(H)Operation Notice:Connect power, motor, and throttle, and power lock, but not connect the Hall lines. Connect the adaptive learning wireSwitch on the power lock, roll the throttle. If the motor works well, connect the Hall linesIf the motor rolling reversely, disconnect the adaptive learning wire and check the motor again, before connecting the Hall wire.Wires Interface DefinitionBattery : Thick Black (Power Negative) /Thick Red (Power Positive)Power Lock: Thin Red(power lock)Motor : Thick Green(Phase lines) /Thick Yellow (Phase lines) /Thick Blue (Phase lines)Motor Hall lines: Red(+5V)/Black(Negative) /thin Yellow(Hall lines) /thin blue(Hall lines) /thin green(Hall)Adaptive Learning: Thin white /Thin white, connect togetherBrake(High): Thin yellow(Brake signal)Brake(Low):Thin Purple(Brake signal)/Thin Black(Brake Negative)Throttle: Thin Red(Throttle Positive) / Thin Black(Throttle negative)/ Thin Green(Throttle signal)Instrument: Thin Green(Instrument signal)Cruise: Thin Blue(Cruise Signal)/Thin Black(Cruise negative) ,connect togetherSpeed : Thin Brown(High Speed signal)/Thin Black(Speed negative)/Thin Blue(Low Speed Signal)Antitheft power: Thin Black (Power Negative) /Thin Red (Power Positive)Antitheft Signal: Thin Orange(Power lock) / Thin Blue(Alarms output)/ Thin Green(Signal )Reverse :Thin Brown(Reverse signal)/Thin Black(Reverse Negative)Package Including 1 X 48V 500W Motor Brushless Controller