General description Ultrasonic Dogs is a 3 in 1 Portable Anti Barking Device designed to effectively train dogs and discourage unwanted behaviors such as barking, digging, and chewing. This multifunctional device serves as a pet training tool, a dog repeller, and a safety device to protect against dog attacks. It is suitable for various dog breeds and ideal for outdoor activities, travel, and night security patrols. Technical specifications Ultrasonic design that is audible only to pets Super bright LED flashlight function Ergonomic and portable design Adjustable shoulder strap for convenience Usage Train dogs to be obedient Discourage unwanted behaviors Protect against dog attacks Useful for walking, jogging, and cycling at night