Smart Anti-Bark Collar for Dogs --- The dog anti-bark collar smart eliminates false triggering. Intelligent detection design can detect dog barking on particular frequency and decibel, filter out other unrelated sounds. The dog bark collar is triggered only by your dog's barking. Safety Anti-Bark Collar with 2 Modes --- The anti bark collar for dogs works in automatic mode, in which the Sound and Vibration modes are combined to effectively and safely stop the dog's barking. Thanks to the vibrations and the beeps, your dog understands that barking is not desirable. Useful when you are away from home and your dog is left alone. Adjustable Sensitivity --- This dog anti bark collar has 2 + - buttons used to adjust the appropriate sensitivity from level 1-7 according to the size of the dog. The higher the sensitivity level, the easier it is to trigger the collar. Level #7 is the most sensitive setting. Level 4 by default upon activation. Anti-Bark Collar for Small Medium Large Dogs --- No