Features:
Motherboard size: 100mm*80mm*28mm ;
Shell size:100mm*90mm*45mm
Brand New and high quality
Forward & Reverse: Support
Regulation Method: Potentiometer with switch
Wiring Type: terminal Knob
Rotary Knob: 100K(with switch)
Suitable for: Brushed DC motor
Bidirectional rotation: setting direction of rotation is optional, which means that accomplishes reversing the motor's direction.

Note:
1.The digital display is the percentage of motor full speed 0-100 non-motor actual speed
2.The input voltage must be positive and negative
3.The input voltage must be equal to the rated voltage of the motor within the range of DC10-55V

Package Including:
1 x DC Motor Speed Controller