Enhanced Performance: This 4000W motor speed controller optimizes the operation of your electric tools by providing precise voltage adjustments.<br> 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.<br> Easy Installation: The compact design and clear instructions ensure a hassle-free setup, allowing you to quickly integrate this regulator into your workspace.<br> Output voltage:0-220V adjustable( Output voltage display)<br> Limit power:4000w (adapt to 2000W resistive load)<br> Adjustable voltage range:0-220V Promise adjustable(under load conditions)step-down to ov, step-up 10V from 9A<br> Rated current:10A<br> Max current:18A (Overload protection 10A)<br> Due to different batches, there may be differences in product appearance and printed text, which will not affect use.<br> Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.<br> Voltage:AC220-250V<br> Colour:Black<br> Material:ABS<br> Package Contents:<br> 1 * Motor Speed Controller<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.