Item Name: 48V Speed Regulator Current Regulator DC Motor Speed Controller Drive Module. Weight: 73gModule Size: 77MM*45MM*28MMKnob Cable Length: 20CMControl Frequency: 25KHZSpecificationInput Voltage: DC10-60VSpeed Regulation Type: Current Regulator Speed Regulation Mode: Potentiometer (Linear)Motherboard Installation Size: 73MM * 40MMContinuous Power: 1200WOutput Current: 0-20AWiring Type: Barrier Terminal BlockPotentiometer Installation Hole: 7MMPackage Included:1* DC Motor Speed Controller *Please make