Feature:1. UNIVERSAL POWER TRANSFORMER: Easily convert 110V to 220V or 220V to 110V with this 1000W power converter, suitable for various household appliances2. SAFETY PROTECTION DESIGN: Step up buck voltage transformer adopt rounded corners to reduce safety risks and enhance appearance, reliable performance ensure safe stable operation3. ALL ROUND PROTECTION: Step up buck converter adopt short circuit protection and reset design, provide high voltage, overload, and high temperature protection4. SUPPORT MULTIPLE DEVICES: Step up buck transformer has a universal interface, can support a variety of power outlets; You can use multiple devices at the same time, as long as the power supply allow, save your space and time5. EFFICIENT INSULATION: Insulation resistance of 2 guarantee safety and reliability in single phase electrical applications, providing peace of mind for usersSpecification:Item Type: Step Up Buck Voltage TransformerMaximum Output Power: 1000WInput Voltage: AC 110V/220VOutput Voltage: AC 220V 8%/110V 8%Insulation Resistance: 2Phase: Single phase(three phase power is not supported)Protection: Over voltage, overload, over temperature protection.Package List:1 x Transformer1 x Plug1 x User Manual