Here's one of the Sentry 20v2ts that Madison County installed earlier this year. This is at Bethlehem Baptist Church in northern Madison County, AL.
Sentry 20v2t by freebrickproductions, on Flickr
Sentry 20v2t by freebrickproductions, on Flickr
Sentry 20v2t by freebrickproductions, on Flickr
Sentry 20v2t by freebrickproductions, on Flickr
Sentry 20v2t by freebrickproductions, on Flickr
Sentry 20v2t by freebrickproductions, on Flickr
And here's a brand new siren, a Sentry 16v1T-B that was installed a few days ago at the Redstone Arsenal Gateway development near Gate 9 on Redstone Arsenal:
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr
Sentry 16v1T-B by freebrickproductions, on Flickr