
I have a couple of these collars and I think they work very well. First let me make sure you understand that this is just an extra collar, it does not include a remote control that you need to change the collar settings. If you are reading this and do not have a remote control, check out this seller's product which includes both the collar and remote control. Once you have a remote, you can simply purchase additional collars (which this article is) and pair them with your existing remote. I have attached a video showing you the remote and collar(s) and how to pair them. I have two black labs and use these collars on both. I read another review where the buyer said the collars are bulky but I didn't find that to be the case. I have tried several collars over the years and find these collars to be the perfect size and my dogs don't mind wearing them. Easy to pair and set up, very long battery life, great training device.

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