Elo Edge Connect®Status Light 
The Elo Edge Connect Status Light provides a sleek, low profile solution for highlighting status and availability for various applications on your favorite Elo products. From conference room availability to self-checkout (SCO) lane readiness, the Status Light easily attaches to the Micro USB ports located on the edge of the touchscreen displays. And, to make managing your solution easy, Elo provides a set of APIs through the EloView® SDK, allowing you to control the status lights via your own APIs.
Alternate Codes : CD13156, elostalig