PWM DC Motor Speed Controller Max 60A CW CCW LED Digital Display 0- Adjustable Drive Module Input 10V-55V Digital display PWM DC motor speed controller display 0- for speed working voltage range:10V - 55V output voltage:Linear (under load) Rated current:40A Speed control range:0 percent - digital display Maximum current:60A Control frequency:15KHZ apply to :DC brush motor/brush fan /led Colour:black Material:plastic Package Contents: 1 x Motor Control Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.