First of all a bit of history about ADT ADT was founded in the 1870's when a group of telegraph company's in america merged to become Amercan District Telegraph hence ADT the company was bought by Tyco in 1998 ADT is one of the largest security company's in the world with millions of customers ADT in the uk is made up of ADT,Modern security.
The installation engineer was arranged efficiently and came out when promised. He did the work quickly and cleanly and made a small change to the installation plan to ensure best protection. The idea of a monitored alarm is that, instead of a noisy bell ringing outside and being ignored, a central office receives an alert about the alarm system and takes the necessary action.
Alarm system installed by ADT and the service has been so good that I decided to tell you about it. ADT seem to be a large well established company who have a lot of commercial business and are expanding into the domestic market. As this is a centrally monitored system the kit has to be really good. The internal sensors work by detecting heat with movement so that the chance of a false intruder alarm is limited. The smoke detector also works.