Ok, I finally got around to doing this but I recently integrated two CO detectors into my home system.
I finally got around to recording all of the alarms
YT: https://youtu.be/2vrAtakJe6w
Notes: There is a new smoke detector from BRK, its a LED Strobe Photoelectric smoke detector that has a unique feature, the LED Strobe is syncable with each other so they’ll all flash at the same time.
I plan on (when I can afford it) replacing the Ionization detectors with these (