PetSafe Dog Bark Control Collar

This easy to use bark control collar requires no programming and includes progressive correction. If your dog continues to bark, the static correction automatically increases to the next level until he stops. Safe and effective, the collar teaches your dog to stop his annoying barking. Collar uses PetSafe RFA-67 battery (included). Features: For dogs 8 pounds and up 6 adjustable levels of static correction Vibration sensor detects dog's vocal chords moving Automatic safety shut-off: correction stops after 30 seconds Lightweight, waterproof receiver collar