electrolight 20A 1200W Brushed DC Motor PMW Controller 9V - 60V 25KHz Forward and Reverse Micro Controller Board Electronic Hobby Kit

20A 1200W Brushed DC Motor PMW Controller 9V - 60V 25KHz Forward and Reverse Wide-pulse Motor Drive Controller. Features: 1.Suitable for the DC motor (or DC load) within 20A. 2. It with metal shell and connective label, very easy to install and use. 3. Potentio meter with adjust speed switch function, and button switch function. Operating instruction: Before you attempting to wire the controller, make sure power is off. WARNING: DO NOT REVERSE POSTIVE AND NEGATIVE POWER LOADS.THIS WILL DAMAGE THE CONTROLLER. TO CHANGE MOTOR DIRECTION, INTER CHANGE THE POSITIVE AND NEGATIVE WIRES OF MOTOR. 1. Connect wires refer to the "wiring diagram" 2.Turn on the power. 3. Adjust the potentiometer. Connection mode: Red Line: Power + Black Line: Power - Blue Line: Motor+ Green Line: Motor -