ITEM NAME:2000W High Power Thyristor Electronic Volt Regulator Controller R06BX Product Description Connect this device with lamp or home appliance in a series connection, then rotate the knob for dimming, speed, voltage, temperature control 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 and metal Size: 4.8 x 3.5 x 2.7cm/1.88*1.37*1.06" Quantity:1pc.Maximum Power: 2000W. 1 x Electronic Volt Regulator. Size: 4.8 x 3.5 x 2.7cm/1.88 1.37 1.06".