Odd status bar icon on MacBook Pro

[sunrise181]

Does anyone know what the icon with the red and green numbers (with the black arrows) on my status bar means. I can't access it. It doesn't have a dropdown of any kind. The numbers change constantly.

 

[simsaladimbamba]

Does anyone know what this icon means. I can't access it. It doesn't have a dropdown of any kind

Which one of the 12 icons?

The one mentioned here?
https://forums.macrumors.com/showthread.php?p=11731966#post11731966

Strange, that such a topic is posted within a minute.

Btw, you can take screenshots via these methods: http://guides.macrumors.com/Taking_Screenshots_in_Mac_OS_X

 

[MacDawg]

Strange, that such a topic is posted within a minute.

My thoughts exactly

 

[mulo]

My thoughts exactly

and that both joined jan 15th.