Talk about a back yard siren test

[Rheems1]

I would glady trade a Thunderbolt for an ACA Alertronic (even my 1003), that is the Holy Grail of sirens for me... especially if it was the rotating version!!! I wouldn't even have to think twice about it as a matter of fact!!

Dave Fritz

[Joey P 3]

The first sirens are Whelens.

I knew it!