DC 10-55V Digital PWM DC Motor Speed Controller 0~100% 40A Time Reversible

12V 24V 36V 40A Forward & Reverse PWM DC Motor Speed Controller with tachometer

PWM DC Motor Speed Controller 10-55V 60A with Forward-Brake-Reverse Switch

HARMANEE PWM DC Motor Speed Controller 10-55V 60A Forward-Brake-Reverse Switch

40A Digital Bidirectional DC Motor Speed Controller DC 10-55V Forward/Reverse

PWM DC Motor Speed Controller 10-55V 40A Rated/60A Max LED Display Brake

DC 10-55V MAX 40A Adjustable Motor Speed Controller CW CCW Reversible Switch

DC Motor Speed Controller 10V-55V 40A Stepless Forward Brake Reverse Switch