The two holders, which are mounted to the TV, fit through the many holes guarantees. Furthermore, screws and washers in all sizes here, thus this nothing can go wrong. If the holder mounted the TV is hooked into the bracket fixed to the wall and secured with two screws against a fall.
The screen is very close to the wall and can be tilted if necessary a piece up or down. If you want to connect a new cable, the TV in most cases must be well again suspended from the wall.