📋 About This Item

• 【Upgraded 2X Ultrasonic Tech】: Our dog barking silencer, this bark deterrent device, uses dual emitters to deliver 5X wider coverage (50ft) compared to bark collars, stopping aggression/barking instantly. Pain-free ultrasonic waves replace dog shock/spray collars—no choking, chemicals, or contact required. Secure and reliable for dogs and humans.

• 【Smart Customizable Frequencies】: Our stop barking dog devices allow you to switch between 25kHz fixed frequency (consistent training) and 15-30kHz variable range (tailored for stubborn or sensitive breeds). This contactless barking dog deterrent is secure and reliable and effective for all dogs——protecting hearing while curbing excessive barking, chewing, and digging.