You may be safe in your own home, but there's still a lot that can go wrong. That's why most of us now have security systems: To wake us when there's a fire or call the police when an intruder ...

ADT's glass break sensors, motion detectors and smoke detectors cost the same as Vivint's ($100). (You can get a combo smoke and CO detector from ADT for $180.) Its flood sensors are more ...

Smart smoke alarm battery lasts five years, won’t chirp, and messages you or ADT when the alarm goes off. Heather Newman @Gbitses. January 6, 2016 6:01 AM Image Credit: Roost ...

At $199, the Ring Alarm is half the starting price of Google’s rival Nest Secure system and the do-it-yourself system ADT offers in partnership with Samsung’s SmartThings.

ADT told us in a statement, “While ADT sympathizes with our former customer, please keep in mind alarm systems don’t start fires and cannot prevent them from occurring.” ...