Features: The motor speed controller is designing with digital display screen that shows the percentage of actual speed to largest speed for precise control.Panel type press fit design, supporting a wide voltages ranging from DC6V to DC60V, with a large current capacity.The PWM speed controller adopts screw terminals, easy to connection and use.Quality circuit board materials, good durability and wear resistance, ensuring long time use.The adjustable motor controller is equipped with instantaneous start/stop switches and a speed control potentiometer for convenience.Specifications: Material: Plastic+MetalSize: approx. 9.5x6x3.2cm/3.74x2.36x1.26inchInput: DC6-60VOutput current: 0-30AContinuous current: within 20ASpeed regulation type: current regulationSpeed regulation method: potentiometerControl frequency: 15KHZWiring type: lock the wiring terminalsKnob cable length: 18cmSpeed digital display: percentage 0-100Package Includes: 1 Piece DC6-60V PWM Motor Speed ControllerPlease allow for slight color differences due to different display resolution.