Ultrasonic Bark Collars are an alternative solution to train your dog not to bark. Ultrasonic Bark Collars use sound waves that are high pitch that will startle your pet to stop barking. This high pitch in a repeated training exercise will have the dog associate the irritating high-pitch sound with their excessive barking bringing the dog not to bark unless necessary. Nuisance barking is not controlled by only Ultrasonic Bark Collars. There are many Ultrasonic bark control products available. We have Ultrasonic training devices or ultrasonic pet products to stop barking inside your house or outside. You can even stop your neighbors dog barking with an Ultrasonic Bark Control device disguised as a birdhouse. Your neighbors will never know.