Two light spots that glow in an ambient room with alternating colours (as shown on the icon.)
They will cast light and shadow over any nearby avatars.
this colouring and glowing will only show in rooms with ambient lighting. In any other room, including the PR room, they will be white with a small number in the centre.
derivable. Just add your own mesh. You cannot change the colour of the lights which are part of the xsf file. If you replace the file, you lose the affect.