The Vevor 6000VA voltage converter transformer automatically detects 110V or 220V input and delivers the correct output for compatible devices. It supports both step-up and step-down conversion for imported and overseas electronics. With 3 US outlets, 3 EU outlets, 1 USB output, and 1 Type-C output, it can power multiple devices at once. Dual LCD displays let you monitor output voltage clearly during operation. Built-in overload protection and circuit breaker protection help keep connected equipment secure.