New sealed. Help keep your dog quiet in a safe way with PetSafe's Water Resistant Rechargeable Spray AntiBark Dog Collar with Disposable Spray Cartridges. Using either the unscented or citronella spray, this collar helps correct your pup by sensing the sound and vibration of her bark. The burst of spray discourages barking and helps correct future behavior. Plus, the collar is rechargeable, with no batteries required, and notifies you when the spray or battery is low. The cartridges are also refillable