Applicable motor: brush motor, pushes rod motor, motor within 50W Output capacity: maximums output current 4.2A, maximums power 60W signals type: switches button, dry nodes, sensors low levels signals Input optocoupler isolation, none noise, 0.01 second fast switching, stepless speed change. With overcurrent protections Can control the motor forward and reverse, speed regulation, fixed speed, limit multifunction integration, to meet more application needs