AC 220V 2000W 4000W 5000W High Power Voltage Regulators Dimmer SCR Speed Controller Power Supply Electronic Governor Thermostat 2000W Specifications: Resistance materials: metal and plastic Input voltage:AC 220V Voltage regulation: AC 50-220V Maximum power: 2000 W Dimension:48 x 56x 28 mm Features: Connect this device with lamp or home appliance in a series connection, then rotate the knob for dimming, speed, voltage, temperature control. As the power has very big,so the normal home appliances or small factories enough to use. This pressure regulator with two-way high power silicon controlled, potentiometer have nuts, can use not need add any components, very convenient and practical Applicable Appliance: Electric furnace, water heater, lamps, small motor, electric iron. etc 4000W Features: