Bark collars (and all e-collars in general) have a really bad reputation. There are lots of ways to train dogs not to bark. Here is an article that details the steps that I use:
https://www.easyretrievertraining.com...

If you find yourself in a situation where you need your dog to stop barking right now, however, you can safely rely on some bark collars for your dog. Here are six tips to make sure that you are using a bark collar safely and effectively.