Pyle PVTC320U Step Up and Step Down 500-Watt Voltage Converter Transformer with USB Charging Port

• Converts 220 volts to 240 volts down to 110 volts to 120 volts or 110 volts to 120 volts up to 220 volts to 240 volts;• Simultaneous 3-mode output;• 5-volt USB/120-volt standard US outlet/220-volt universal outlet;• 4 input voltages selectable;• 500 watts ;• 1-year warranty;