ITEM NAME:DC motor speed regulator high power drive module PWM control current regulaSEAU Feature: Name: DC Motor Speed Controller Size: 77mm*45mm*28mm (the center distance of the mounting hole is 73mm*40mm, the diameter of the positioning hole is 3mm) Knob cord length: 20CM Input voltage: DC10-60V Output voltage: linear under load Output current: 0-20A Continuous power: 1200W Speed regulation type: flow regulation Speed regulation method: potentiometer (linear) Speed adjustment range: 0-100% Control frequency: 25KHZ Package includes: a DC motor speed regulator Note: Due to the difference of the monitor, the color will be slightly different, and the size is measured manually, please allow 1~3cm error, thank you!.Speed regulation type: flow regulation.