General description The Ultrasonic Dog Bark Control Device is a portable 3-in-1 solution designed to effectively train dogs and discourage undesirable behaviors such as barking, digging, and chewing. This multifunctional device not only serves as a pet training tool but also provides protection against dog attacks. It is suitable for various dog breeds and is ideal for outdoor work, travel, and nighttime security patrols. Technical specifications Ultrasonic design that is audible only to pets LED flashlight function for nighttime use Ergonomic and portable design with adjustable shoulder strap Usage Training dogs to reduce barking and other undesirable behaviors Providing safety during nighttime activities Convenient for outdoor activities such as jogging, hiking, and cycling