Features1This is a 48V 800W electric scooter electric bicycle brush DC motor speed controller. 2Made of good quality aluminum material, sturdy and durable for long time use. 3Suitable for 800W brush motor. 4Applicable voltage: 36V/48V. Stable running and performance. 5Brush controllers for electric bicycles and scooters.SpecificationItem Type: Brush Motor ControllerMaterial: AluminumColor: as picture shownWorking voltage: 48 (V)Undervoltage protection: 42VCurrent limit: 28ARated power: 800 (W)Size: approx. 9x6.5x3.8cm/3.5x2.6x1.5inchSupporting motor: 800W brush motorBrush controllers for electric bicycles and scooterWire connection:Battery: black (power negative)/red (power positive)Motor: thick yellow (negative electrode of motor)/dark blue (positive electrode of motor)Ignition switch: light red (VCC)/light blueIndicator light: light red (indicator power output)/light black (indicator negative)Brake: light yellow (brake signal)/light black (negative power)Governor: light blue (speed handle signal input)/light black (negative power supply)/light red (5V positive power supply)Charging port: light red (positive pole of charging input power)/light black (negative pole of power)Brake lamp: light red (power positive)/light black (power negative)Package List1 x Brush Motor Controller