Item Name: 48V Current Regulator Speed Regulator Drive Module DC Motor Speed Controller. Potentiometer Installation Hole: 7MMControl Frequency: 25KHZSpeed Regulation Mode: Potentiometer (Linear)Continuous Power: 1200WInput Voltage: DC10-60VSpeed Regulation Type: Current Regulator Module Size: 77MM*45MM*28MMSpecificationWeight: 73gWiring Type: Barrier Terminal BlockKnob Cable Length: 20CMMotherboard Installation Size: 73MM * 40MMOutput Current: 0-20APackage Included:1* DC Motor Speed Controller *Please make