Item Name: 48V Current Regulator DC Motor Speed Controller Speed Regulator Drive Module. Continuous Power: 1200WModule Size: 77MM*45MM*28MMOutput Current: 0-20AWiring Type: Barrier Terminal BlockMotherboard Installation Size: 73MM * 40MMPotentiometer Installation Hole: 7MMSpeed Regulation Mode: Potentiometer (Linear)Input Voltage: DC10-60VSpecificationControl Frequency: 25KHZWeight: 73gSpeed Regulation Type: Current Regulator Knob Cable Length: 20CMPackage Included:1* DC Motor Speed Controller *Please make