Fangrui Product Details Fangrui Product Details 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 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 , 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 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: