What to Expect: Entryway sensors, also called door/window sensors, are the backbone of the ADT system (and every home ...

“My system takes itself off of alarm and my sensors don’t work properly. None of my door sensors work. I wasn’t expecting this from ADT at all. I chose ADT over Brinks. Now I’m second ...

Johnson Controls International Plc, a multinational company manufacturing security equipment and systems for buildings and structures, intends to sell the ADT Alarms division for $2 billion. This is ...