Unknown Fire Alarm Minihorn -- Anyone know of a make/model?


In my high school we have these minihorns in each of the classrooms, but I don’t know of its model number or anything like that. We had a fire drill yesterday and I can tell you they’re obnoxiously screechy. They’re mounted on the ceiling, and there’s a sticker on it that reads:


Here’s a picture i took of it for reference:

Google Lens helped me with this one, this Alarm is a Pertronics mini horn. I don’t know the model number.

Oh, cool! Google lens… I should remember that one… Thanks!