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== Q&A - Question and Answer ==Q: Why does the device need to be ultrasonic? Can't I just blast an annoying high pitch sound at the dog?* Because the neighbor with the barking dog can call the authorities on you. If responding police hear the sound you are generating, you will likely be cited by the police.Q: Why doesn't a company already make such a device that is actually intense and effective?* Because they would get their pants sued off by PETA and other animal rights groups. All of the commercially available devices are ineffective at controlling a neighbor's barking dog for reasons stated elsewhere on this page.Q: Should I make the device as loud and intense as possible?* No. The device should irritate the dog and be uncomfortable. If the device is too intense, it could damage the dog's hearing and a deaf dog is an immune dog!Q: Should I blast the dog with an ultrasonic cannon day and night?* No. Application should be metered and in limited duration for each use. Bark activated would be ideal. If ran constantly then you run the risk of damaging the dogs hearing and even if you do not care about the welfare of the dog, see above where a deaf dog is an an immune dog.