IP55 covers advantages:

• l There are two kinds of covers available, 

One with function key lock on its body, customers could lock the controls on the body directly.

• l Another one is just a simple cover, it could apply to the existing switch or socket and provide protection. 
• l Round design make the products looks comfortable and not so abrupt from the surrounding wall.
• l Ring patterns make the window interesting.

Small dotted pattern make the simple surface different and elegant.