Lastly, here is a link to a topic I created about a video of the differences between the two generations of SA67D.
The Two Generations of First Alert SA67D]The Two Generations of First Alert SA67D]
Lastly, here is a link to a topic I created about a video of the differences between the two generations of SA67D.
The Two Generations of First Alert SA67D]The Two Generations of First Alert SA67D]