Specification Input voltage DC 6 60VOutput voltage linear under loadOutput current 0 30AContinuous current 20ASpeed control type current adjust Speed regulation potentiometer 0 5V Speed range 0 100 Control frequency 15KHZConnection type fence type connection terminalKnob wire length 20cmModule size L x W x H 78 x 45 x 28mmMain board by mounting size L x W 72 x 39mmPotentiometer by hole 7mmAnalog signal 0 5V speed control connection potentiometer the middle of the signal wirePackage included 1 x DC motor speed regulator