Features: It will automatically emit ultrasonic waves that the dog can hear, the built-in pickup can detect the dog’s barking(The ultrasonic anti-bark device can automatically detect bark within 50 feet.), and effectively training your dog to stop excessive and noisy barking. After the dog stops barking, the ultrasonic barking control device automatically stops emitting ultrasonic waves. No noise pollution: The mini bark control uses ultrasonic technology that allows humans to hear a slight sound. When the sound starts, the dog will notice the sound and ultrasound does not impose substantial penalties on the dog. Other family members or neighbors will not be worried about being affected. The dog bark control shell UV resistance, not easy to fade.It can be easily hung on trees,indoor, outdoor walls or fences to stop any dog barking . And the shell is IP45 waterproof grade, which can effectively resist external splash. Sensitivity adjustment: The barking control devices has a choice of
