PetSafe Big Dog Spray Bark Control

PetSafe Big Dog Spray Bark Control collar sensor feels your dog's vocal chords vibrate and emits a burst of citronella scented spray. Your dog will begin to understand that each spray coincides with barking, which will lead to stopping the unwanted behavior. Big Dog Spray Bark Control system is designed for dogs 40+ pounds and features a low spray indicator, low battery indicator and lasts for 40 sprays.