Federal Signal STH-10 | Full Alert | Deerfield Twp, MI 8/5/23

After the Whelen me and my dad booked over here to check on the STH for the second alert test to ensure Deerfield’s activation software was working smoothly. All in all everything went great! Really glad I could be here for this! Went for a distance shot due to limitations with recording spots, but even at about a quarter mile away this thing was still amazingly punchy!
Sirens in Lapeer Co. are tested on the first Saturday of the month at 1pm (April-October)
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