Roller-Blind Shutter

Roller-blind shutter.  Wooden box-shaped object with a mechanism on one side, a white disc on the other side with operational information and a thin sheet of dark grey fabric in the middle. One side has a  Wooden box-shaped object with an adjustable dial at the front, a mechanism at the back and a thin sheet of dark grey fabric in the middle. One of the corners has a small metal ring with a mauve-coloured pom pom attached to it.