Introducing the ultrasonic dog bark silencer, a revolutionary device that helps maintain peace and quiet in your home. This compact unit emits safe, high-frequency sound waves between 22-25KHz, effectively deterring excessive barking without causing harm to your furry friend. With a working distance of 5 meters, it's perfect for indoor use. Simply press the launch button to activate the stable and continuous undulating sound waves. This silencer is an effective and humane solution for managing excessive barking, ensuring a tranquil environment for you and your canine companion. Enjoy the peace and quiet you deserve without compromising your dog's well-being.