The AC-DC 220V to 5V Mini Power Supply Module (HLK-PM01) is a compact and versatile power supply module that converts high-voltage AC input to low-voltage DC output. It is designed to provide a stable and regulated 5V DC output for various applications.    The AC-DC 220V to 5V Mini Power Supply Module (HLK-PM01) is suitable for a wide range of applications that require a reliable and regulated 5V DC power source. Its compact size, efficiency, and safety features make it a popular choice for powering various electronic devices and projects.