Dog Bark Stopper Adjustable Frequency 3 Ultrasonic Bark Stopper Dog Training Bark Stopper

Effective Dog Barking Deterrent: The dog barking device is designed with 4 working levels, effectively using ultrasonic waves to stop barking up to 30 feet away, covering both indoor and outdoor areas, while also preventing your neighbor's dog from barking. Safe Bark Control Device: Ultrasonic Bark Control Device uses high-pitched ultrasonic technology that is harmless to pets above the human hearing range, but will attract your pet's attention. EFFECTIVE FOR MOST DOGS: Ultrasonic bark control devices work on most breeds and sizes, but will not work on dogs who are deaf or hard of hearing. Some dogs may be afraid of or dislike the sound of ultrasound and never stop barking once started. .