Check the listing for details. 140W AC 220V Motor Speed Controller Forward Reverse with B Female Plug. Condition: New. Listed at 32.37 USD. What is this?This motor speed controller is designed for automated industrial equipment and machinery in various environments, and is suitable for automated equipment in industries such as packaging, printing, textile machinery, instrumentation, and clothing.What will I get?Shell Material: PlasticPower: 140WType: US-52External PLC Plug: B Female PlugOperating Voltage: 220VControl Method: Forward/ReverseExternal Wiring Length: 70 cm / 27.56 InchDimensions: 100x60x90 mm / 3.94x2.36x3.54 Inch (LxWxH)Package Contents: 1 Pcs x AC Motor Speed ControllerIs there any advantages of the product?This motor controller features a rotary speed control button, allowing for precise speed adjustment by turning the knob. Forward and reverse rotation can be achieved by changing the wiring ports, offering simplicity, speed, and increased flexibility.