The SportDog NoBark SBC-R Rechargeable Bark Control Dog Collar is effective as well as safe to use. Using advanced proprietary technology, this anti-bark collar is able to detect your dog’s unique barking style and is also able to filter out other types of noise when delivering correction that only your dog is able to sense. The SportDog NoBark SBC-R Rechargeable Bark Control Dog Collar offers effective and consistent training, which won’t include any accidental correction when he isn’t barking.