It is a vacant/occupied sign that can be set to vacant(green) or occupied(red).
It is the perfect gadget for the bathroom. It always shows whether the bathroom is occupied or not. Set it to occupied before entering the bathroom and set it to vacant when leaving.
This makes it perfect for a shared apartment or a household where several people share a bathroom.
The built-in magnets keep the slider in one position. The sign can be easily stuck to the door using the adhesive strips.
