Gentex Hearing Impaired Strobe Smoke Alarms | Group Test

This video gets loud! Here are three different models of Gentex's special hearing-impaired smoke alarms. The oldest one was once installed in a residence, then replaced after ten years and given to me for my collection. The other three were received as gifts when I was traveling around to different fire/security conventions. Thank you for watching, please subscribe if you enjoy my content! :)

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