Purchased to use with one dog that barks and bites at your feet anytime you leave the house.
It did not work at all. It does work very well at calling my other two dogs. They hear the sound and come to track it. Sends them into a search frenzy.
Sorry, but it is a big thumbs down from me. All it did was even further agitate my dog.
Bottom Line: No, I would not recommend this to a friend
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