The Yinleader 500W Voltage Transformer converts 220/240 volts to 110/120 volts, making it suitable for a variety of devices. This step up and step down transformer has a power rating of 500 VA and operates at a minimum frequency of 50 Hz. With a UK plug type and a black colour, this transformer is designed for general purpose use and features a conversion function for step-down. The transformer is compact, measuring 21.5cm in length, 15.9cm in height, and 16.8cm in width, making it ideal for both home and commercial applications.