Intelligent Anti-Barking Device This barking collar no longer triggers falsely. The intelligent detection design can detect dog barking at specific frequencies and decibels, and filter out other irrelevant sounds. Growling, shaking, scratching, or barking from other dogs will not trigger the collar. The dog bark collar is only triggered by your dog barking.Humanized bark collar with 2 modes. Our anti-bark dog collars work in automatic mode, where sound and vibration modes combine to effectively and safely stop dogs barking. It can help your dog understand that barking on vibrations and beeps is not advisable. Useful when you are away from home and your dog is alone.Adjustable Sensitivity This stop barking dog collar has 2 buttons "and -" to adjust the proper sensitivity from 1-7 levels according to the size of the dog. The higher the sensitivity, the easier it is to trigger the collar. Level 4 is the most sensitive setting.Rechargeable and Waterproof No Barking Collar This stop barking collar charges via USB cable with any other everyday use device. No need to worry about changing batteries, and no extra cost. It can be fully charged in 2 to 3 hours and can be used for about 10 days. It is also rainproof and works fine in the rain (if swimming, it is recommended to remove the collar).Bark Resistant Collars for Small Medium Large Dogs No Bark Collars are made of sturdy adjustable nylon straps that can be adjusted 9 - 22 inches. Suitable for all dogs 11 - 110 lbs