You are also missing the point that there is no indicator of communication failure, no log, etc. In my fire alarm when the batteries are going dead there is a

You are also missing the point that there is no indicator of communication failure, no log, etc. In my fire alarm when the batteries are going dead there is a chirp that lets me know of a pending failure. The Xfinity alarm system could do that as well. Instead the alarm system is worse than useless. I can buy a box that always has a green light on it which is exactly what this "alarm" system is doing when there is an extreme failure.