I have had a good experience with the collar and the Humane Contain Fence. This is the smallest collar I have seen. It appears to be comfortable on Snooker, a mid sized Cocker. My batteries are lasting three months or more. The shock seems effective and humane. Like I said in my review of the system itself, I have no complaints, just compliments. This product has worked well for me for more than a year.

The entire system works beautifully. We, however, have a half Husky/half Lab, who is very tough on the collars. We, unfortunately, have to use the maximum strength, because of his thick fur. All-in-all, it works great. His mom, the Lab, responds very well to the system. It has made our lives so much better, as they were always finding ways out of the yard. We just need to check the strength of the collars, especially with the larger dog, as he tends to test the perimeter constantly, so his wears out much quicker than his mom.

The Humane Contain System works great. Our dog loves being off the leash. Caution: it won't prevent the dog from tearing off after a squirrel, but it works pretty well. She gets to know her boundaries and will stay within them pretty much. I wish the collar size was a lot smaller since our dog is pretty small. I would also like the strap to be interchangeable since she wore out the first one (we take it off every night so she doesn't have to sleep in it).

This system is awful! I have had the Humane Contain system for less than a year and this is the 4th collar I have bought. This one broke within 30 days. The company said they would "work to make me an ecstatic fan," but I notified them twice that the collar broke- it has been more that 30 days ago and have had no response. The dogs get shocked for no apparent reason inside and outside - the company says the collars are not to be worn inside, so I have to put them on and take them off many times each day. The batteries are expensive and last less than 30 days.

These collars seem to last only about 6 months. They fail because: Battery compartment no longer holds battery securely; rubber collar breaks or they just wear out.

What makes this collar great is it's small size and many features. Waterproof, on-board battery and shock testers, 2 probe sizes and very high quality strap.

We got a two pack of this collar for our Lab, and switched out the tough plastic collar with vinyl collars from Gander MTN. It was very easy to do, and the transmitter still works just fine!

These collars don't last very long, I've had 2 break in less than a year, and each time I is still cheaper to just buy a new collar than buy a new system from another company

very satisfied. my dogs have adjusted very well.I did, however, have to buy a replacement collar as the first was destroyed by my dog. The batteries that came with the collars did not work. I was glad that I had purchased extra batteries.

collar appears to be of sturdy material but i have large dogs that like to wrestle and over a few months the collar part breaks ,probably noy a problem with a smaller dog.