Similar to ADT home security systems, these medical alert devices connect to a 24/7 monitoring center. The company charges ongoing monthly fees for this service. The system has two primary components.

How much does an ADT security system cost? The cost of an ADT system depends on size and components of the system. A basic equipment package can cost as little as $370, but a comprehensive system ...

All information accurate as of time of publication. The ConsumerAffairs research team compared 26 home security companies on available features and technology, customer reviews and costs.