ITEM NAME:Digital Display Led 6V 12V 24V PWM DC Motor Controller Variable Speed Regul D8V8 Digital Display Led 6V 12V 24V PWM DC Motor Controller Variable Speed Regul D8V8 CCM5D DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). Large 0.56 inch 3-digit LED display numbers allow viewing under the most adverse.PWM frequency:16kHz. The LED display displays the PWM output duty cycle. Adjustable speed range is 0%-100%. Suitable for the DC motor (or DC load) within 5A, Peak current 8A. TO CHANGE MOTOR DIRECTION.