securitywarehouse Posted November 8, 2010 Share Posted November 8, 2010 I need some help to choose an alarm system. My house is approximately 230 sqM and in all doors and windows I have mounted wired magnetic sensors with 4 wires, 2 for when the window/door is opened and 2 for sabotage safety so you can Quote Link to comment Share on other sites More sharing options...
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