KAIPARA Dog Bark Deterrent Device, 3X Ultrasonic Anti Barking Device, Humane & Safe Alternative to Dog Training Collars, Portable Barking Silencer for Indoor & Outdoor

I tried this as soon as it arrived and was honestly surprised how quickly it worked. The first time I used it, my dog reacted immediately to the vibration/ultrasonic sound and stopped barking within seconds. It definitely got their attention without being harsh. The instructions are simple, and it's easy to switch between modes. I like that you have options depending on the situation (training vs. quick correction). It feels reliable so far — I've used it multiple times and get consistent results. It's also lightweight and easy to carry, which makes it convenient for both inside and outside use.I like the strap and flashlight that goes I also appreciate that it's a more humane option compared to shock collars. It redirects behavior without causing fear or pain. Tip: point it directly toward your dog and use it right when barking starts for the best results. Overall, this has been a helpful tool for training and reducing excessive barking, especially for a puppy or active dog.