2000W 220V AC SCR Electric Voltage Regulator Motor Speed Control Controller Brand new and high quality. Control the speed of a DC motor with this controller. Applicable appliance: electric furnace, water heater, lamps, small motor, electric iron etc. Input voltage: 220V. Maximum power: 2000W. Adjustable voltage: 50-220V AC. Material: plastic, metal. Size: 4.8cm x 5.5cm x 2.7cm.