Features: <br> <br>Incorporate a 30A fuse, and with the protection function of reverse connect power supply <br>High Power, Digital Display <br>Potentiometer with switch function <br>Large 0.56 inch 3-digit LED display numbers allow viewing under the most adverse conditions <br>The display range of 3-digit LED display is "000"-"100". (For example, displayed "055", it means that the PWM output duty cycle is 55%.) <br> <br>Specifications: <br>Model: CCM6DS-D <br>Input supply voltage: 12V-80V DC <br>PWM frequency: 21kHz <br>Duty Cycle adjustable: 0%-100% <br>Suitable current range:current rating: 30A <br>Module Size(with case): 110 * 77 * 35mm <br>Display device: 79 * 42 * 24mm <br>Potentiometer cable length: 0.79inch <br> <br>Package Including: <br>1 x Digital Display CCM6DS-D DC Motor Speed Controller With Case <br> <br>Note: <br>-Do Not Reverse Positive And Negative Power Loads. This Will Damage The Controller. To Change Motor Direction, Interchange The Positive And Negative Wires of Motor. <br>-Before you attempting to wire the controller, make sure power is off.<br>1、Incorporate a 30A fuse, and with the protection function of reverse connect power supply <br>2、High Power, Digital Display <br>3、Potentiometer with switch function <br>4、Large 0.56 inch 3-digit LED display numbers allow viewing under the most adverse conditions <br>5、The display range of 3-digit LED display is "000"-"100". (For example, displayed "055", it means that the PWM output duty cycle is 55%.)