I have been using the dog line for over 6 years now. over the years I’ve used the boundary fence and Use the barking collars and actually bought another one just two weeks ago :) The Staff are always so friendly and helpful, they really care about the animals ! And giving great quality service, even receiving phone calls after purchasing a product to make sure we are happy and or have any questions ! Just fantastic ! I have always been extremely happy with everything! Ive recommended a lot of people/friends to use the dog line over the years and will continue to do so:) thanks so much, I will continue buying your products for years to come