In article ,
Chris J Dixon wrote:
I tried one, and the cats and squirrels were completely
unaffected. However, my partner's rather younger ears were
sufficiently sensitive to find it seriously irritating, so it
didn't stay in use very long.

Not really ultrasonic if you can hear it?

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*Everyone has a photographic memory. Some don't have film *

Dave Plowman London SW
To e-mail, change noise into sound.