Parameter:Input voltage: DC10-55V.Output voltage: Load current: 60A.Maximum current: 100A .Speed Control: Potentiometer (with switch).Speed mode: ON OFF linear potentiometer 270 degrees.Speed range: 0-100%.Operating frequency: 15KHZ.Forward Reverse: Support.Size: 120 * 96 * 28 mm??????L*W*H???????.Weight: 300g.Package Included:1 X 60A PWM Motor Speed Controller