Are the home security devices really as secure as it says?

yea they sure are safer then not having any at all they have features now that you can control with your laptop and other devices you may be using if your gone lets say and you have a home security system on when you leave it monitors everything on and in your house the monitor if it sees something suspitious going on it can send a signal to the security provider and that provider calls the police to come out and check things out