Build your own home security system

Build your own home security system

4.11 - 1251 ratings - Source

Describes the basic components of a home security system, including sensors and sounding devices, tells how to install an intrusion detection system, and discusses car security, advanced security systems, fire alarms, and environmental sensorsAs the window is moved up (or down), the magnet activates each of the switches individually. ... Dona#39;t make it too easy for a potential intruder to break this little window and reach in to unlock the door and possibly disable your magnetic reed anbsp;...

Title:Build your own home security system
Author:Delton T. Horn
Publisher:Tab Books - 1993-04


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