Features: General Motor Speed Controller with adjustable frequency settings supports 6V 48V motors, offering precise control and wide electric compatibility for diverse applications. Featuring encoders knob and robust ABS construction, this speed regulator delivers smooth operate with optimized heat dissipation for continuous duty performances. Designed for enthusiasts, industrial technicians, and automation engineers seeking professional motor control in robotics, conveyor systems, or workshop setups. Optimizes machinery operate in manufacturing plant, home workshops, and prototyping labs where customized speed adjustments secure energy efficient motor management. Its maintenance friendly design integrates overload defense circuitry and electric stabilization, safeguarding connection equipment across extended operational cycles. Specifications: Component : ABS Size: about 3.4x6.1x9.6cm/1.34x2.4x3.78inch Package Includes: 1xMotor Speed Regulator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.