Amseco BZ-51-PC2

I like the grille, or in other words, have nothing special to say about this particular unit.

Also in the collection
GE 521BXT

GE 521BXT

Category :
I think that this smoke detector might be intended for use in security systems.
Wheelock ET-1080-WS-24

Wheelock ET-1080-WS-24

Category :
You can’t really tell from the pictures, but the strobe is practically falling out of this particular unit.
FCI B5

FCI B5

Category :
I have also seen this pull branded by Kidde and Thorn.