Features: This is a simple and easy-to-use DC brushed motor speed controller of elegant appearance and stable performance. Speed controller is made with high quality circuit board which ensures a longer service life. Designed with convenient screw terminals for quick wire connection. This motor speed controller would automatically change direction of rotation that accomplishes reversing motor's direction. Convenient to use, simply rotate the knob to change output so to change the revolving speed of brushed motor. Designed with a 10-20 seconds time adjusting potentiometer, clockwise to increase, counterclockwise to reduce. Specifications: Input Voltage Range: DC6V~60V(equal to rated voltage of motor) Maximum Output Current: 10A Continuous Output Current: <8A CW/CCW Rotation: Automatic (10-20 seconds adjustable) Input Current: Larger than working current of motor Speed Regulation Method: Potentiometer (270 degree linear) Speed Regulation Range: 0---100% Support Motor: Brushed motor Wiring Method: Terminal block Knob Type: 100K Size:6*6cm/2.3*2.3in Weight: 62g(approx.) Package Includes: 1 x Motor Controller 1、This is a simple and easy-to-use DC brushed motor speed controller of elegant appearance and stable performance. 2、Speed controller is made with high quality circuit board which ensures a longer service life. 3、Designed with convenient screw terminals for quick wire connection. 4、This motor speed controller would automatically change direction of rotation that accomplishes reversing motor's direction. 5、Convenient to use, simply rotate the knob to change output so to change the revolving speed of brushed motor.