Petiddy 2 Pack Dog Whistle, Dog Whistle to Stop Barking Neighbors Dog, Adjustable Ultrasonic Silent Dog Whistle, Professional Recall Dog Training Whistles, with Lanyard

【All Frequencies】Every dog is unique, and different frequencies may work better for different dogs. The 3 channels of our dog whistle can be combined to produce sounds of different frequencies, making it suitable for all kinds of dogs. No need to test the frequency, just use it. 【Stop Dog Barking】If your dog or your neighbor's dog is persistently barking, gently use this dog whistle. The ultrasonic frequency emitted can effectively capture the dog's attention and help curb unwanted barking. 【Remote Command】The ultrasonic sound can travel up to 1000 meters, making it possible for your dog to respond to commands even when out of sight. Train your dog to follow commands like Sit, Paw, Lay Down, Up, and Heal with just a whistle, eliminating the need for shouting. 【Suitable for All Dogs】This silent dog whistle is perfect for any breed, including Labradors, Scottish Terriers, Golden Retrievers, German Shepherds, Beagles, and more. Stay connected with your dog, no matter where they are. 【Absolutely Safe】: The dog whistles is made of 304 stainless steel. Ultrasound frequencies attract the attention of dogs without damaging their hearing and without any health problems.