Adjustable- Dimming Pwm, Motor Speed Controller. Features:This Controller Uses High-quality SCR. And the Max Current is Up to 25A.For the Safety, We Suggest the Continuous Load Current is Within 5A.This AC Voltage Regulator Can Be Used to Control AC Motor Speed, AC Light and Heating Wire Temperature.Inductive or Capacitive Load Power Should Be Reduced. For Example, Recommended for Motors Within 1000W.Specifications:Input Supply Voltage: 110V ~ 220V AC.Output Voltage 50V-220V(Output Voltage < = Input Supply Voltage).Maximum Output Power 2000W.Maximum Output Current 25A.Operation Environment Temperature -20 - 40.Module Size: 1.851.381.06 Inches (No Knobs Included).Knob Diameter: 0.79 Inches.Net Weight: 1.76 Ounce.Package Included:1 AC Motor Speed Controller. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.