Carey Carlan wrote:

Drive away all the roaches in the house? My mom has a box that purports to
do just that. Looks like a cheap tweeter. Claims to emit 35K tones (what
a coincidence). Don't know if it drives away pests or not.

Sure does. I was recently overrun suddenly by aggressive, acrobatic
rodents, large and small, and two of these devices in the kitchen, aimed
at right angles, crossing in the center completely solved the problem.


Bob
--

"Things should be described as simply as possible, but no simpler."

A. Einstein