There’s no DIY option for the initial installation, but you can add to this powerful system on your own after that.

These include a louder 75 dB voice annunciation, packaging the lock with a 90 dB remote sounder, and adding the option for a ...

The company also offers smoke/carbon monoxide detectors, flood detectors and smart door locks. Flexible payment options for equipment installation are also available. Monthly costs for ADT home ...