Enhanced Performance: This 4000W motor speed controller optimizes the operation of electric tools by providing precise voltage adjustment. Variable Control: Easily adjust the speed with a simple turn of the knob, suitable for various applications including woodworking and metal grinding. Easy Installation: Compact design with clear instructions for quick and straightforward setup. Output Voltage: 0–220V adjustable (with voltage display) Maximum Power Rating: 4000W (compatible with up to 2000W resistive load) Adjustable Voltage Range: 0–220V (under load conditions) Voltage Adjustment: Step-down to 0V, step-up from 10V at 9A Rated Current: 10A Maximum Current: 18A (with overload protection at 10A) Product appearance and printed text may vary slightly between batches; this does not affect functionality. Plug Type: EU Plug (compatible with countries including Indonesia, Germany, France, Spain, and Italy) Input Voltage: AC 220–250V Color: Black Material: ABS Package Contents: 1 × Motor Speed Controller Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.