This is the 2nd video from the double header I did about a month ago. This siren is located near Highway 45 and Martin Road, yes I know I miss spelled it in the title screen, but who cares you guys all get the point. Fon Du Lac County tests their sirens every Saturday at 12:00
https://www.youtube.com/watch?v=I6XOxcS75a0
Photos of the siren: https://flic.kr/s/aHsme4i8UX