Meet the Hoont: an electronic dog repellent and trainer that emits a high-pitched ultrasonic sound to keep dogs from barking. It works on dogs from up to 50 feet away. You can also use it as a training aid for your pet. It is harmless to dogs and safe to humans. The device fits in your pocket, so you can take it with you everywhere you go. It also features a LED flashlight and battery power indicator. Sets you back under $20 at this time.
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