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S. home security market is another outlet offering promising perspectives. The U. S. Census ureau studies showed that, in 2002, 1. 7 million new houses were built in comparison with 2001 when 1.
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Disadvantages:One of the main disadvantages and is mainly caused by a malfunction is the generation of a false alarm where it can be triggered accidentally and thus cause unnecessary inconvenience.
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On the other hand, unmonitored home security systems will automatically notify you directly when a sensor is triggered.