Smart Dog Bark Control Device This anti-bark collar no longer triggers false triggers. Intelligent detection design can detect dog barking on particular frequency and decibel, filter out other unrelated sounds. Growling, jerking, scratching or barking from other dogs will not trigger the collar. The dog bark collar is triggered only by your dog’s bark. Human Bark Collar with 2 Modes Our dog bark collar works in automatic mode, in which Sound and Vibration modes are combined to effectively and safely stop dog barking. It helps your dog understand that barking is undesirable when vibrating and beeping. Useful when you are away from home and your dog is left alone. Adjustable Sensitivity This dog bark collar has 2 “+ -” buttons to adjust the appropriate sensitivity from 1 to 7 levels according to the size of the dog. The higher the sensitivity level, the easier it is to trigger the collar. level 4 is the most sensitive setting. Rechargeable and waterproof anti-bark collar This anti-bark