4000w, 220v Ac, Scr Voltage Regulator / Motor Speed Controller Module. Feature: 100% Brand New and High Quality The Input is Connected with AC 220V, Output is Connected to the Electric Stove Wire or Motor Appliances, Then Rotate the Knob for Speed, Voltage, Temperature Control. Specifications: Working Voltage: AC 220V Maximum Power: 4000W (connected Resistive Load) Voltage Regulation:AC 0-220V,Start from AC 10V Dimensions: 89(L) X 59(W) X38(H)MM Protection: Anti-spike, Surge, RC Absorption (EOC) Net Weight:147g Weight:167g Some Application: Electric Furnace, Water Heater, Lamps, Small Motor, Electric Iron Etc.Attention: Load Does Not Exceed the Maximum Power, Otherwise It Will Burn Module and Electrical Appliances; Use the Resistive Load As Far As Possible; Reduce Inductive and Capacitive Load Power Greatly. Package Included: 1 PCS X 4000W ,220V AC ,SCR Voltage Regulator . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.