Check the listing for details. 12-80V PWM DC Motor Speed Controller Governor With Digital Display Panel 30A. Condition: New. Listed at 16.77 USD. Motor Speed Controller, 12-80V DC 30A PWM Motor Speed Adjuster Controller Governor With Digital Display Panel, 4.37 x 3.03 x 1.41inch Silver NEW! 【/Stop Design】Motor speed controller support and soft stop, which reduces the mechanical stress on the motor and shaft【Easy Operation】DC motor controller input is connected to direct current, can not be connected to alternating current, or it will be burnt. Also, make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged【Stable Function】This simple and easy-to-use DC motor speed controller has an stable performance. Speed controller is made with high quality circuit board which ensures a longer service life.【Digital Display】This motor speed controller designed with a digital display panel for easy reading and convenient setting of speed adjustment【Wide Usage】PWM Controller is suitable for 12V motors with power less than 50W, 24V motors with power less than 350W, and 48V motors with power less than 500W Instruction:Set 1: "000"-"100", Slow start to 100% speed time is adjustable between 0-10.0 seconds, the default is 1 second.Set 2: "000"-"100", Slow stop time is adjustable between 0-10.0 seconds, the default is 1 second.Set 3: "000"-"080", The minimum speed is adjustable from 0 to 80%, and is less than the maximum speed setting value, the default is 0.Set 4: "000"-"100", The maximum speed is adjustable between 0-100%, and is greater than the minimum speed setting value, the default is 100%.Set 5: "000", "002" , "005" , "010" , "015", "020" , "025", The speed changes by 1%, 2%, 5%, 10%, 15%, 20%, 25% each time you press the up or down button. 12-80V DC 30A PWM Motor Speed Adjuster ControllerThis is a simple and easy-to-use DC motor speed controller of small size, elegant appearance and stable performance. It is made with high quality circuit board which ensures a longer service life. The input voltage can be DC 12V to 80V and output voltage is 0-100% of the input voltage. This speed controller support soft start and soft stop, which is quite convenient to set. Buy with confidence - 24 year eBayer! FREE SHIPPING on every item to USA! INCLUDES TRACKING! Global shipping program approved!