- ULTRASONIC DESIGN: This professional-grade dog whistle emits adjustable ultrasonic frequencies that are inaudible to humans, making it an effective tool for dog training and behavior management. - COMPLETE SET: Enjoy the convenience of four training whistles, each equipped with an attached lanyard for easy carrying and quick access during training sessions. No more fumbling around for your tools when you need them most. - ADJUSTABLE FREQUENCY: Our whistle features a precision frequency adjustment mechanism that allows you to customize the sound range for your specific dog's response. Fine-tune the whistle to ensure maximum effectiveness tailored to your pet's hearing sensitivity. - VERSATILE USE: Ideal for training multiple dogs, this whistle can help address excessive barking, reinforce recall commands, and enhance obedience. Whether you’re in your backyard or at the park, this tool enables training in various environments. - SPECIFIC USE SCENARIOS: - Use it in your backyard to quiet barking during neighborhood gatherings. - Employ it at the park to call your dog back during playtime, ensuring their safety. - Train multiple dogs simultaneously with effective communication that only they can hear. This dog whistle stands out for its innovative design and user-friendly features, making it a must-have tool for every dog owner committed to effective training and behavior control. Durable and easy to use, it supports a harmonious relationship with your pet through clear, consistent signals.