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internal sensors are great! - Review by Gabriella S | ADT



internal sensors are great! 11/21/2011

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 more
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