In one simple move, an entire campus can be alerted to an intruder and placed in emergency lockdown status while the police are notified of a possible incident. Similar to fire alarm systems, school intruder systems can be installed in these highprofile buildings. I was able to wire up and program this blue "POLICE" pull station to a custom audio message using fire alarm parts. The technology for this already exists, do you think we should be using more of it? Thank you for watching, check out some of my other videos and subscribe! :)

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