PetSafe Bark Control Collar

PetSafe Bark Control Collar A PetSafe Bark Control collar senses your dog's barking and delivers a safe, but annoying static correction and an audible tone. The collar provides progressive levels of stimulation starting with a mild tingle, with up to 6 levels for continual barking. If your dog continues to bark, the static correction automatically increases to the next level until he stops. Your dog will quickly learn the association and stop the unwanted behavior. System Includes: bark control unit adjustable nylon collar PetSafe® RFA-67 Battery operating guide one year warranty For dogs 8 lb and up. Fits neck sizes up to 28".