Siemens U-MHT-S17

The more I look at this alarm, the uglier it gets.

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ADT ADT-PS

ADT ADT-PS

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Personally, I think that the ADT logo on the head of this smoke is a bit ugly.
Grinnell RMS-1T

Grinnell RMS-1T

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I’m almost certain that this unit has an actual “Grinnell” model number, not just the standard RSG one, but it’s...
ADT B3407-024

ADT B3407-024

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There exists a strobe which can be attached to alarms like this.
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