“This is attached to a dolly pointed into my parent’s neighbor’s yard and sounds a very loud alarm twice a day for 10 minutes. What is it?”
"A vibrating horn (maybe 874 series) made by Edwards Signaling. These types of horns are usually used in an individual setting where ambient noise is high."
mrsteve716
I would post the link, but don't know if IZ likes that.
Ironic
Depends where in Europe u are from. In my country it’s spelled correct