Ultrasonic Dog Bark Deterrent Device: This amazing gadget helps keep your furry friend from engaging in unwanted behavior. With its ultrasonic technology, it emits a sound that is unpleasant to dogs and deters them from barking excessively. This device is perfect for pet owners who want a peaceful and quiet environment without having to constantly discipline their dogs. The device is easy to use and portable, making it convenient for outdoor activities with your pet. It's also ideal for use in training your dog to behave properly. With this Ultrasonic Dog Bark Deterrent Device, you can say goodbye to excessive barking and hello to a calm and peaceful environment. -New Upgrade, Up to (10M = 32.8ft) Extensive Range Control. -Usb type C charging port. -Multi-function Settings and Easy to Use. -All products have been quality controlled in the U.S. by Rashidian's Cyberstore.