• Ultrasonic dog repeller designed to safely and effectively control and reduce excessive barking. • Equipped with 3 adjustable frequencies that allow you to select the appropriate intensity according to the environment and the dog's behavior. • Offers coverage of up to 50 feet, making it suitable for use in both indoor and outdoor spaces. • Functions as a training device to modify unwanted behaviors in dogs through ultrasound. • Portable and easy to install, it adapts to different areas of the home or garden. • Does not require physical contact with the animal and is safe for pets and people.