Confused by all the packages and pricing options? Check out our ADT Home Security Cost guide to find the best plan for you.

Keep in mind, though, that ADT requires you to sign a 36-month ... also called door/window sensors, are the backbone of the ADT system (and every home security system for that matter).

With 150 years of experience, ADT ... front door protection. All professionally monitored systems come with a command panel, entry sensors, motion detectors, a security key fob, yard signs and ...