Item type:DC Motor Speed ControllerInput supply voltage: 6V-28VDCDuty Cycle adjustable: 5%-100%, potentiometer with switch function.The maximum output power: 80WThe maximum continuous output current :3A The maximum output power: 80W The maximum continuous output current 6V 12V 24V 28V 3A 80W DC Motor Speed Controller PWM Adjustable Variable Speed Switch-DC Motor Driver