Of the countless people I have come across in my business that have
bought them over the years I know of no one that was satisfied they
worked though on these newsgroups you will see many who say they work
great. Google "FTC sonic device" and you should find their complaints
against the manufacturers of the devices.
My wife wont let me unplug ours which she bought from someone shilling
it as an ant repellent. I want to unplug it because I am afraid it
might be driving the dog nuts, as dogs can hear those high
frequencies. They dont do crap. Maybe mine will "accidentally" get
hit hard by the vacuum cleaner some day and have to be unplugged for
electrical safety reasons, (yeah that's the ticket;).
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