【AUTOMATIC ANTI BARKING DEVICE】- Our automatic dog bark deterrent senses the sound of a barking dog and emits ultrasonic waves to stop the unwanted behavior.This device can be used indoors or outdoors to deter your own dog, your neighbor's dog, or even stray dogs from barking excessively.With a detection range of 33 feet and an effective range of 50 feet, our anti-bark box utilizes ultrasonic frequencies of 15KHZ, 20KHZ, 30KHZ, and 15-30KHZ to effectively discourage barking.
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