["brand new and high quality\nFeatures:\nMade of high quality material, solid, durable, high temperature resistance, flame retardant, not easy to rust.\nSpecial designed for helping you to control the fan speed, light brightness, motor speed and so on.\nIt adopts core chip adopts high power thyristor, with adjustable knob for stepless voltage regulation .\nNo delay, anti-surge, anti-spike, RC absorption multiple for protection, save to use.\nWith universal power socket and power supply light for more convenient use. \nWith heat dissipation port for fast heat dissipation.\nGreat for large household or small industrial electrical appliances of which power is less than 4000W.\n\nSpecification:\nMaterial: Metal\nInput Voltage: AC 220V \nOutput Voltage: 0-220V Adjustable (It won'for t work then the voltage is lower than 5V)\nLimited Power: 4000W\nVoltage Adjustment Range: 0-220V adjustable\nRated Current: 9A\nLimited Current: 18A\nOptional Current: 3A/36W; 6A/72W\nSize: app.11.3 x 9.8 x 6.2cm/4.45 x 3.86 x 2.44in\nColor: Black\nQuantity: 1 Pc\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Electronic Voltage Regulator"]