The LyseeminUltrasonic Bark Stoppers research team consists of specialized scientists and engineers from the University of Cambridge and the Massachusetts Institute of Technology. The research team collaborates closely with users, includingpet ownersandprofessional trainers,to gather feedback and make continuous improvements based on real needs.This ensures that the product remains an innovative and efficient solution for pet behavior training. The Lyseemin Ultrasonic Bark Stopper utilizes ultrasound to calm dogs.Ultrasound is a sound wave with a frequency higher than the upper limit of human hearing (about 20,000 Hz).This sound wave is harmless to both humans and dogs because it is just a sound.Humans cant hear this sound, but it can soothe dogs. 1.[đŤđđđ đşđđđđđ đ¨đđđ đŠđđđđđđ đŤđđđđđ] : Powerful Dual Ultrasonic Speakers-The Ultrasonic Bark Stopper uses two speakers up to66 feet (20 m)away.The 66 ft. range allows you to more easily train your dog to behave in public and protect them from unsafe food.You can also carry the Lyseemin Ultrasonic Bark Stopper with you to ward unfriendly dogs. NO CHEMICALS:Unlike some training agents or medications,The LyseeminUltrasonic Bark Stopperdoes not emit any chemicals, ensuring that there is no negative impact on your pets health. 1⣠Notice bad behavior 2⣠Press the button Remote makes a high-pitched sound (100% Safe) â Repeat until the behavior is trained away! Package Includes: 1 x Lyseemin Ultrasonic Bark Stopper
