The 1203BB DC motor regulator controls the DC motor adjusting width modulation ( ). It will provides 3A continuous current for your DC motor or DC load. The circuit also includes a 3A fuse, which is reversely connected to the, and controls the forward,, andthe stop of the DC motor through a . Features - - Material: Metal. - Size: 5 x 3. 2 x 1. 5cm. - The input range is DC6- 28V. - Control the forward, and stop of the DC motor through the . - Potentiometer with function. And the cable length is 15cm. Instructions Before attempting to wire the controller, make sure that the is turned off. 1. Refer to the wiring diagram for wiring. 2. Turn on the and adjust the potentiometer. 3. LED indicates and motor. Warning: Do not the positive and negative loads. This will damage the controller! Package list: 4 * 1203BB Controller ( )