Press the button for unwanted dog barking, and the speaker emits an ultrasonic sound. This sound can only be heard by dogs, and is silent to humans. Startled by the high-pitched sound that is safe and effective, the dog should stop barking, as it will associate its bark with this unpleasant noise. After this is repeated for a few times, dog will learn that its barking will bring uncomfortable feeling to itself. By so, it will decrease the unwanted barking gradually. This version of the dog training device has been newly improved and now has 2 level settings:
Ⅰ: Standard Frequency
Ⅱ: Frequency Conversion
HOW TO USE
* This device can not be used to defend against fierce wild dogs.
* Do not submerse the unit in water or any other liquid. Avoid exposing your device to very cold or very hot temperatures (below 0 degrees Celsius or above 45 degrees Celsius). Extreme temperatures can cause the device to deform and can reduce the life.
* Keep at arm’s length away from the human ear to avoid hearing damage.
* This device is not a toy. Keep away from children. Small parts can cause choking or serious injury if swallowed.
* Only use with dogs. This device is only used to dog training and dog repellent. Never attempt to use it for any purpose not described in this manual.
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