Features: Output capacity: maximums output current 4.2A, maximums power 60W. Signal type: switches button, dry nodes, sensors low level signal. Applicable motor: brush motor, pushes rod motor, motor within 50W. 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. Specifications: Component: Electronic Component Product Size: about 60x34x12mm/2.36x1.34x0.47inch Opening Size: about 53.9x28.60mm/2.12x1.13inch Power Consumption: 18mA Time ranges: 0.01s-999minutes Speed ​​regulation ranges: 1-100 Input voltages ranges: DC3.3-15V Output maximums current: 4.2A Output maximums power: 60W Temperature: -20~50degrees Package Includes: 1pc Motor Forward And Reverse Controller note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.