Multiple videos on his channel are of him showing how to mount the shelf and remove it. After removing the item, he goes on to show the wall behind “without any damage” from fixing or removing it.
[Projector router,modem shelf] - Make messy projector,router tidy [Size ]-Internal use space:13.77" x 7.87" (L*D),There is enough space to place the router,modem,power strip [Convenient To Use ...