DIY perimeter alarm 1 of 3
Channel: Penny pinching prepper
Date: 2022-10-24

perimeter alarms are used to let you know when someone's in your area. they do this by running some sort of a trip line or motion detector across a path leading to your area. this way when someone gets close or something it will let off some sort of a loud noise alerting you to them in your area.

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#primeteralarm
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