Voltage Conversion Simplified: This Step Up/Down Voltage Converter provides a secure, cost-effective, and user-friendly solution for converting voltages between 110-120V and 220-240V, catering to both residential and commercial needs. With three total outputs, including a 120V US standard outlet, a 220V universal outlet, and a 5V USB jack, users can simultaneously and continuously power various devices. Its universal application supports four selectable input voltages (110V/120V/220V/240V), accommodating electronic requirements worldwide. The compact design, measuring only 7”L x 7”W x 5”H, ensures easy portability for travel. Additionally, equipped with fuse and circuit protection, this 500-watt voltage converter prioritizes safety, security, and the longevity of connected devices. It comes complete with two spare fuses and a universal European power adapter.