Anti Bark Collar for Dogs with Dual Vibration Version,Automatic Barking Collar with 5 Adjustable Sensitivity Levels,3 Modes Sound Vibration and Strong Vibration BS1 400 Meters which are initiated by 22-25kHz

which are initiated by 22-25kHz and is difficult for human hearing to perceive

even if the dog wears the collar

including mode

In order to achieve the desired results

Adjustable collar and comfortable to wear:The collar is adjustable and suitable for dogs over 2

Anti Bark Collar for Dogs with Dual Vibration Version,Automatic Barking Collar with 5 Adjustable Sensitivity Levels,3 Modes Sound Vibration and Strong Vibration BS1 400 Meters which are initiated by 22-25kHzAutomatic Anti Bark Collar: The collar works in automatic mode without a remote control. The anti bark collar for dogs equipped with an intelligent sensor,anti interference. The collar will only activate when your dog barks,to provide you with timely and correct training. 4 Effective Training Modes: Dog bark collar with 4 modes sound,vibration,sound+vibration,sound+vibration+strong vibration. Depending on your dog's nature and behavior, you can freely