Operating Instruction 1. Connect Your Dc Motor ( or Dc Load ) to the Motor Terminals As Indicated on the Wiring Diagram. 2. Connect a Voltage of 1. 8v- 12v Dc to the Circuit Making Sure of the Correct Polarity of the Connection. Note That the Voltage Applied to the Motor Will Be Voltage Applied to the Circuit. Recommended to an Appropriately Rated Fuse in with the Positive in Order to the Circuit from Any Possible Short Circuits. 3. You Can Now Control the of the Motor Through Potentiometer. Important Notes： An Appropriately Rated Fuse ( rated a Little Higher Than the Maximum Current You Expect to Draw ) is Recommended to Ensure Safe Operation. The Controller is Safe with a Self- recovery Fuse 2a. It Will Be Damaged if Connect the Voltage With Wrong Polarity. Double Connections Before Applying and Always Turn off the Before Making Any Wiring Changes. - ColorDark Green Package list: 2 X Low Voltage Dc Motor Controller