Stop barking with the newest, most powerful ultrasonic bark control device to date! Whether it’s your dog or the neighbor’s dog, the Dog Silencer will help you regain the peace and quiet that’s been disrupted by nuisance barking. This revolutionary device automatically detects and stops barking with special sound frequencies. When the Dog Silencer detects barking it immediately sends a high-pitched sound heard only by the dog. Using this proven method, dogs are safely and humanely discouraged from barking. Relax while the Dog Silencer quietly trains your dog, your neighbor’s dog or even multiple dogs!