Well this piece of junk won't help, unless you're thinking of hitting the dog with it. Came with no instructions and no warranty info. Pressed the test button, shrill pitch noise, that never shuts off. The test never ends. Unplug the power, turn it to inaudible. Doesn't matter. Wait a day or a week before putting the power back on. Doesn't matter. The high pitch noise comes back on too. I used it in an RV park. Dogs came walking by either ignored it completely or walked up to it and gave it a quizzical look. But it didn't seem to affect any dogs barking pattern. Don't waste your money.
Verified purchase: Yes | Condition: Pre-owned
Worked better then i thought. Worth every penny!
Verified purchase: Yes | Condition: Pre-owned
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