This is a socket adapter compatible with E27 bases. The flexible arm allows you to freely adjust the direction of the bulb, and it can rotate 360 degrees. It plugs directly into an outlet and has a switch for turning it ON/OFF. It's convenient for extending the position of a light bulb or changing its angle. It can be used for various purposes such as DIY or bedside lighting. [Base] E27 [Features] Flexible arm, 360-degree rotation, with ON/OFF switch [Length] Approx. 0.2m To offer this at a low price, it will be shipped in a recycled envelope with simple packaging via postal mail. As it is just within the size limit for postal mail, cushioning material may not be included. Please only purchase if you understand this. If you would like cushioning material in a box, we can accommodate this for an additional 300 yen. Please let us know in the comments before purchasing so we can adjust the price. Thank you.