Wanna show your visitors if they can call you or if you are available.
As traffic light function for projects every logged in user can choose between red, amber and green.
You have it as dashboard widget, as sidebar widget and shortcode [trafficlights] or [traffic-lights].
This Version can be connected with "HRM Work Tracking" and is showing Green for somebody is present, yellow somebody is there but in pause and red nobody is there.