Features Adjust the speed of the motor using the buttons rather than easily damaged potentiometers. Can set slow on/off time, upper limit and lower speed limit. Can set the run time and stop time, run and stop the cycle repeatedly and automatically. The backlit LCD display shows working time and speed percentage from 0 to 100%. Come with a remote control. Specification: Item Type: DC Motor Speed Controller Input voltage: DC6.5V-55V (the specific voltage must be equal to the rated voltage of motor) Output voltage: Linear under load Instant current: 30A DC Current: ≤20A Speed regulation type: current regulation Speed adjustment method: Jog + - Wireless Remote Control: Support Remote control battery: CR2032 button battery Calendar: Yes Slow walk Slow stop: can be set Digital display speed:0-100% Speed range: 0-100% Control frequency: 15KHZ Connection type: fence type terminal. Supported motor: brush motor Module size: 116 x 76 x 30 mm/4.57 x 2.99 x 1.18 inches. Mounting size: 109x70mm/4.29x2.76 inches Installation method: built-in Package list: 1 x Motor Speed Controller 1 x remote control. Package List 1 x Motor Speed Controller 1 x Remote Control