- NOTICE: Achieving effective communication with your dog will require multiple training sessions. Patience and regular practice are key. Refer to the images below for instructions on adjusting and using the whistle. - DUAL DOG WHISTLES WITH ADJUSTABLE FREQUENCIES: Our dog whistles feature adjustable frequencies to cater to your dog's unique responses. Made from durable stainless steel, the whistle includes a nut and screw mechanism for easy frequency adjustment, allowing for precise training. - CONTROL DOG BARKING: If your dog or a neighbor's dog is barking excessively, simply blow the whistle. The ultrasonic frequency produced by our silent dog whistle captures your dog's attention and helps to reduce barking. Suitable for all breeds and sizes. - STYLISH LANYARD ATTACHMENT: Each whistle comes with a fashionable lanyard for effortless carrying. This not only prevents loss but also enhances your training experience. The elastic, retractable wrist strap provides additional convenience. - BONUS ERGONOMIC DOG CLICKER: Included with your purchase is a versatile dog training clicker that reinforces positive behavior. Different sounds from the clicker help convey your commands to your dog, making it an essential tool for any training session. Use Cases: 1. Perfect for backyard training, helping to curb barking and enhance obedience. 2. Ideal for obedience classes, where precise communication is essential. 3. Great for outdoor adventures, ensuring your dog stays focused and responsive. This dog whistle set is designed to improve your training effectiveness, ensuring a harmonious relationship between you and your dog.