So far so good. Used on 7yo beagle mixes who bark at everything. Instantly stopped barking. It's been a fews days and they've improved even while not wearing the collars.

This collar is made of wear-resistant and durable material, and has high-brightness reflective strips at night, which increases the safety of dogs going out, and the simple design of the reflective tape is very beautiful. The collar uses high-quality retractable lights, which are firm and can be adjusted according to the size of the dog, which will give the dog a very comfortable feeling.

Everything that this caller supposed to do works, they are classy looking great value for the price and I love that they are rechargeable

On my second set of these within just a few months and already broken again but too late to return. 3 out of 4 have gone bad in less than six months.

I'm really nervous about putting a barking collar on my dog. But I need to do something. It's time for some training. The dog is barking! This collar is one of the best things we have! When the big dog decided to bark at the leaves blowing from the tree across the street, the collar emitted a small beep. Then he felt the carpet calling his name, and tried to scrape the beeps below him, but soon he realized that this was happening in his bark! Now, puppy.

This collar is a God send. My maltshi's got into the habit of barking at everything moving squirrels, people walking, just about anything. One day while we were out driving, I HAD to stop and get the collar because the barking was making me want to scream. Needless to say, after putting the collar on, the rest of the day was VERY peaceful. Thank you. The collars are GREAT!