Does the job. They catch on to the beep though and it eventually becomes useless. Vibration is super effective and I haven’t even had to charge once since I got it several weeks ago.

The delivery speed is very fast, the seller is especially careful to guide, the effect is particularly good, now the dog does not bark when using this, and can sleep well in the morning.

Very easy to use. I love the ability to just use sound or vibration. It also keeps a charge for a while. I can also attest that it is water proof as our dog has gone swimming with it and has had baths with it on.

Works great. I haven't had any problems with its functionality. Thank you.

Used it for training my dog to walk and not pull

Like the remote, shows the battery life of the receiver and the remote. Very compact design. And you can add up to 4 dogs. Great value for the price.