This easy-to-use bark control collar requires no programming and includes progressive correction. If your dog starts barking and doesn't stop, 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

Features:
-6 adjustable levels of static correction
-Vibration sensor detects dog's vocal chords moving
-Automatic safety shut-off: correction stops after 50 seconds
-Lightweight, waterproof receiver collar
-Collar uses PetSafe RFA-67 battery (included)
-Part Numbers: BC-103, RFA-354