Enhanced Performance: This 4000W motor speed controller optimizes the operation of your electric tools by providing precise voltage adjustments. Variable Control: Easily adjust the speed with a simple turn of the knob. This flexibility allows for a wide range of applications, from delicate woodworking to robust metal grinding. Easy Installation: The compact design and clear instructions ensure a hassle-free setup, allowing you to quickly integrate this regulator into your workspace. Output voltage:0-220V adjustable( Output voltage display) Limit power:4000w (adapt to 2000W resistive load) Adjustable voltage range:0-220V Promise adjustable(under load conditions)step-down to ov, step-up 10V from 9A Rated current:10A Max current:18A (Overload protection 10A) Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220-250V Colour:Black Material:ABS Package Contents: 1 * Motor Speed Controller