Feature:1. Adopt pulse width modulation for more stable operation2. Speed adjustment, potentiometer with switch3. The speed range is 0%--100%, it has good control ability4. Digital display speed percentage, providing accurate values5. Available in two styles for choice.Specification:Item Type: Motor ControllerMaximum Current: 60AContinuous Current: 40A (use for a long time to pay attention to heat dissipation or reduce current)Speed Control Type: Current AdjustmentSpeed Control Mode: Potentiometer (linear)Support Motor: DC Brush MotorForward Rotation Reverse: SupportSpeed Range: 0 - 100%Control Frequency: 15KhzWiring Type: TerminalKnob Specification: 100K (With Switch)Wiring Type: Terminal BlockSpeed Range: 12VSpeed Change Rate: 0-100@font-face{font-family:"Times New Roman";}@font-face{font-family:";}@font-face{font-family:"Calibri";}@font-face{font-family:";}p.MsoNormal{mso-style-name:;mso-style-parent:";margin:0pt;margin-bottom:.0001pt;text-align:left;font-family:Calibri;mso-fareast-font-family:;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;}p.p{mso-style-name:"()";margin-top:5.0000pt;margin-right:0.0000pt;margin-bottom:5.0000pt;margin-left:0.0000pt;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:left;font-family:Calibri;mso-fareast-font-family:;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;}span.msoIns{mso-style-name:";text-decoration:underline;text-underline:single;color:blue;}span.msoDel{mso-style-name:";text-decoration:line-through;color:red;}@page{mso-page-border-surround-header:no;mso-page-border-surround-footer:no;}@page Section0{}div.Section0{page:Section0;}Package List:1 x Motor ControllerNote:1. The digital display is the motor speed percentage 0-100 not motor actual speed2. The input voltage must be positive and negative3. The input voltage is equal to the rated voltage of the motor within 10-55V DC.