1. Effective Ultrasonic Technology The device uses ultrasonic technology to reduce unwanted barking and restless behavior in dogs. The high-frequency tone helps divert the dog’s focus and calm them during triggers. 2. Compact and Portable Design Lightweight and compact handheld repeller that fits easily in a bag or pocket. Use it on walks, during travel, or in training sessions so you can respond quickly and maintain control wherever you go. 3. Wide Application Not only for stopping barking, it also serves as a training aid to correct unwanted behavior and reinforce positive habits in your dog. 4. Easy to Use No complicated settings. Simply press the activation button to emit the ultrasonic sound and support training and on the go control with ease. Practical uses - On walks when your dog barks at other dogs or people, helping redirect their attention. - While traveling or in public spaces to keep barking under control during events or gatherings. - During training sessions at home, in the yard, or at the park to reinforce calm behavior and positive responses.