The truth is, I feel that in my opinion there are cheaper and more modern options for today, especially with the high demand for different products in the digital medium, to cite an example AJAX system if you need a wireless system that makes your installation easier and very well concealed, which in fact is One of the points that thieves fear the most, not knowing from where they are looking, because with old systems it is easy to detect the cables but with this new modern range of devices it is more difficult.