The design of this converter is simple and and it can be inserted, and converted without the need for additional tools, saving time and effort. and sturdy: The converter is materials, with good durability and stability, ensuring long-term reliability. Suitable for commercial places such as offices, hotels, shops, meeting the lighting requirements of different lamp base specifications. The E27 to B22 adapter converter can convert the B22 lamp holder into E27 lamp holder, enabling the interchangeable use of different specifications of bulbs. Compact size: The converter is compact in size, easy to carry and store, and easy to use in different environments.