Instruction Training with Ease: Easily adjust ultrasonic frequencies to train your dog with different commands. Effective up to 30 meters, it supports reliable training and obedience with ease. Flexibility: Lightweight ultrasonic whistle designed for easy use anytime, anywhere. It includes a lanyard for portability and secure locking nuts and caps, making it ready for training at home or outdoors. Effortless Training: Adjust frequencies and observe your dog's responses to achieve effective obedience training. Maintain consistent whistle commands until the desired behavior is perfected. Effective Training Aid: An ultrasonic dog whistle that helps turn your pet into a wellbehaved companion. Ideal for both dogs and cats, it reinforces positive behavior and makes training easier. Use scenarios At home obedience practice: Use adjustable frequencies to teach basic commands such as recall, sit, and stay, reinforcing positive responses in a controlled indoor setting. Outdoor walks and parks: Carry the lightweight whistle with the lanyard to reinforce recall and quiet behavior during walks within its 30meter range, suitable for dogs and cats during outdoor activities. Multipet households and travel: Convenient for training multiple pets or using on the go, with secure nuts and caps to keep the device ready for use at any time.