The PetSafe Vibration Bark Control Collar offers 10 combinations of vibration stimulation. When the dog barks, vibration is delivered from one of the two Vibration Points. The duration of the vibration is random, which interrupts the dog’s bark.

Key Features & Benefits:
Ends nuisance barking
Has 10 combinations of vibration to safely interrupt or deter your dogs barking
Very easy to use
Fully waterproof