Features:   Product Features:Zero Hysteresis,Zero Delay,With Peak Voltage Absorption Circuit To Effectively Protect High Power Thyristor.   This Product Is Only Suitable For Ac 220V Electrical Appliances,Adjust (Resistance) Heating Type Electrical Appliances To Reduce Power,(Inductive) Electric Tool Type Electrical Appliances,Motor Fan Type Electrical Appliances.   If There Is A Circuit Board Inside The Electrical Appliance,Capacitor Electronic Components Cannot Be Used,Such As Induction Cooker,Washing Machine,Rice Cooker,Water Pump,Etc.   Note:Do Not Use For AC 110V Electrical Appliances.   Precautions And Instructions For Use:   1.When The Load Is Idling,The Output Voltage Is The Same As The Input Voltage.It Must Be Connected To A Load Of 10W Or More To Measure The Output Voltage.   2. Input AC Power,The Output Is Also AC,Not DC.   3.The Above Mentioned 10000W Refers To The Power When Working Under Resistive Load,And The Inductive Load Is 1/3 Of The Resistive Load.The Resistive Load Refers To The Electric Lamp,The Heating Wire,Etc.The Inductive Load Refers To The Series Excitation Motor,Etc.There Are Electronic Smart Products That Are Used With Caution.   4.Metal Enclosure Electrical Appliances,Please Safety Grounding.  Specifications:   Color:Black   Style:   A:Knob   B:Button   Input Voltage:AC220V   Output Voltage:0-220V Adjustable (Output Voltage Is Less Than Input Voltage)   Maximum Power:10000W (When Inputting 220V)   Voltage Regulation Range:0-220V Stepless Adjustable (With Load Conditions) Really Achieve Step-Down To 0V,Boost 0V.   Rated Current:25A   Maximum Current:45A   SCR Model:STMicroelectronics,SCR,BTA41-600B/800B.   Executive Standard:GB14536.1-2008  Package Include:   1PCS X SCR Electronic Regulator