AC-DC Step-Down Module 5V 700mA 3.5W Isolation Switch Power Module 220 to 5V High-Efficiency Conversion: This AC-DC step-down module efficiently converts 220V AC to 5V DC with a current of 700mA, ideal for powering low-voltage electronic devices. Compact and Reliable: The module features a compact design with an isolation switch for enhanced safety, making it perfect for integration into a variety of electronic projects. Wide Application: Suitable for use in DIY electronics, home automation systems, and other applications requiring precise voltage regulation. Construction: Built with high-quality materials, this power module ensures long-lasting performance and stability. Color: Green & Black Material: Metal+Plastic Package Contents: 1 x Step-down Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.