【Effective Bark Control Device】 The ultrasonic bark control device can train your dogs to stop unwanted behaviors.

【EASY TO USE】Just only push of a button then it emits an ultrasonic sound which can only be heard by the dog. 16.4ft effective control range, makes it suitable to be used indoor or outdoor.

【Suitable For All Size Dogs】One simple button to operate, suitable for small, medium and large dogs(from 6 months to 8 years old).

【Convenient to Use】It just fits perfectly in your hand and comfortably into your pocket.

【Friendly Note】The dog attack deterrent devices may not effective on dogs who are hearing impaired and old. . Do not use on an aggressive dog.