What are these? Bottom LED underwater lights?

[jrichardmorris]

What are these two “?” in the picture? What do they do and should they look different from one another?
anyone done drain plug LED light in bottom plug like one pictured in my 2005 Sv211? How visible is it or is it not worth doing this upgrade?

[MLA]

One is likely the speedo paddle wheel and the other could be depth and possibly water temp.