Input voltage: DC10-55V Output voltage: linear under load Output current: 0-100A Continuous current: 60A Speed regulation type: current regulation Speed regulation mode: potentiometer (linear) Speed range: 0--100% Control frequency: 15KHz Wiring type: terminal knob Specification: 100K (with switch) Colour: Silver Material: Metal, plastic Size: Module size: length * width * height 128mm * 98mm * 40mm Motherboard mounting size: length * width 120mm * 96mm Potentiometer according to the installation opening: 7mm Package Contents: 1* Motor Speed Controller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.