This DC Motor   Speed Controller allows controlling the direction of a DC motor using a   Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully   adjustable from 0%-100%.                     The motor speed controller can easily provide a continuous current of3A to your DC motor or other DC load.                     Main technical parameters:                     Input supply voltage:6V-28VDC                      | The maximum output power: 80W                     The maximum continuous output current :3A                     Duty Cycle adjustable:5%-100%