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Al7

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Al7

How do the police know that my alarm has been tripped?

I just bought a new house with a new security system installed and i want to learn more about how it works. My specific question is How do the police know that my alarm has been tripped?
01:42 Sun 09th Aug 20091 answer, last by torksey 17:01 Sun 18th Oct 2009

Only 1 question