Negative Positive
Title: Works, but not for long!
Review: In principle, this should be a great product. We got one and set it up in a few seconds. Our dogs responded to it very well, and stopped most of their barking. (In spite of some false triggers when it was not screened from the wind.) Then after less than 10 days of use, it went dead. The vendor responded politely and quickly with a free replacement unit. That one worked great...for 5 days. Then it went catatonic, with a click every second or getting stuck in permanently ON mode. The vendor responded politely and quickly with a refund.That's 2 out of 2 units defective, which tells me there is a major defect in either the design or the quality control at the manufacturer. Instead of wasting your time, maybe you should look for a different manufacturer.
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