[Barking dog deterrent]:Introducing a versatile and effective dog deterrent that utilizes harmless sound waves (20-30khz) to stop bad behavior in dogs and other animals. This barking dog deterrent is ideal for most dogs aged 6 months to 8 years old. Dogs are highly sensitive to the emitted sound waves, ensuring they cease unwanted behavior promptly. [Clicker dog trainer]:This device serves as a clicker dog trainer, providing a safe and convenient alternative to traditional dog collars. With easy portability, you can correct your dog's behavior anytime and anywhere. Simply press the switch when your dog is exhibiting problematic behaviors such as excessive barking or biting, and watch as they respond immediately. Please note that this product may not be effective for dogs with hearing impairments. [Anti barking device]: This anti barking dog device is perfect for people who are afraid of dogs. When you encounter a barking dog while walking, we don't have to shout at it to make it go away, just press the switch and the dog will stop barking immediately, giving you more peace of mind and peace of mind. It is also an effective tool for tackling your neighbour's barking dog. The device is compact and lightweight, so you can easily carry it in your pocket or bag. In addition, the stop dog barking device has a torch function, providing more convenience for nighttime use.