["Specifications:\r\nOperating voltage: 10V-55V\r\nOutput voltage: Linear under load\r\nInput current: Require large than the motor operating current\r\nOutput current: for depend on load size\r\nOutput current: 0-100A\r\nContinuous current: 60A\r\nCurrent at rest: 0.01A (standby)\r\nMaximum power: 3000 for W (power = voltage * current)\r\nMotor Power control: 0.01-3000 for W,\r\n12 V: 720 for W (max), 24 V: 1440 for W (max),\r\n36 V: 2160 for W (max), 48 V: 2880 for W (max),\r\n50 V: 3000 for W (max).\r\nKnob hole: 7mm\r\nSpeed type: adjustable current\r\nSpeed mode: ON \\ OFF linear potentiometer 270 degrees\r\nSpeed range: 0% -\r\nFrequency control: 15 KHZ\r\nSpeed Control: potentiometer (with switch)\r\nKnob Specifications: 100 K (with switch)\r\nSpeed type: flow control\r\nAdvance rotation: Support\r\nDigital positioning screen: 0-100 (full speed percentage)\r\nBoard size: 120x96mm/4.72x3.78\"\r\nQuantity: 1 Pc\r\n\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nNo Retail Package\r\nPackage Includes:\r\n1 x for DC Motor Speed Controller"]