The 1203BB DC motor controls the function of DC motor by adjusting pulse width modulation (PWM). It provides 3A continuous current for your DC motor or other DC load. In addition, the circuit also includes a 3A fuse, with a reverse power connection, and through the to control the forward or reverse and of the DC motor. Features - Brand: WINOMO. - ColorBlack - Material: Metal. - Size: 5.00X3.20X1.50cm/1.97X1.26X0.59in. - Made with fine quality circuit board which ensures a longer service life. - The simple and easy-to-use DC motor controller has an stable performance. - It supports the voltage range from 6-24V, within 3A, and 80W in power. - Control the forward or reverse direction and of DC motor by . - Do not reverse positive and negative . This will damage the controller! Operating Instruction Before you attempt to wire the controller, make sure that the power is off. 1. Connect wires refer to the wiring diagram. 2. Turn on the power, and adjust the potentiometer. 3. The LED indicates the and the of motor. Package list: 2 x WINOMO PWM DC Motor Controller