Features 1、Adopt pulse width modulation for more stable operation 2、Speed adjustment, potentiometer with switch 3、The center distance of the mounting hole is 104mm, which is convenient for installation and removal. 4、The speed range is 0%--100%, it has good control ability 5、Suitable for wide voltage Specification Item Type: Motor Controller Maximum Current: 10A Controller Continuous Current: 5A Maximum Current: 20A Controller Continuous Current: 10A Maximum Current: 30A Controller Continuous Current: 15A Speed Range: 0%--100% Control Frequency: 15khz Speed Control Mode: Potentiometer (With Switch) Speed Control Type: Current Adjustment Support Motor: DC Brush Motor Wiring Type: Wire Size: Approx. 36 x 90 x 52mm / 1.4 x 3.5 x 2in Installing Hole Distance: Approx. 104mm / 4.1in Package List 1 x Motor Controller