This step-up and step-down transformer is a versatile power supply voltage converter designed to handle both voltage conversion tasks. Capable of converting both high and low voltage, it features a 500-watt capacity and includes a Usb charge port for added convenience. This transformer is ideal for international travel, allowing you to use electronics from different regions safely. Whether you need to step up or step down the voltage, it provides reliable performance and is an essential tool for any global traveler.