eXtreme Dog Fence's Ultimate Performing Electric Dog Fence - The MAX Grade Kit - 1 Dog / 1000' (1 Acre) Complete Installation SystemThe Max Grade system was tested with a limited group of pet owners, to exceptional results. The Maximum Grade wire is manufactured with a thicker protective polyethylene jacket, which provides improved signal field width, especially with larger coverage areas. The system was tested with the standard "Active" eXtreme Dog Fence Collar, as well as with the stubborn dog version ("Hyper") collar. Neither cold Michigan weather or hot California weather caused any inconsistencies or problems over a 6 month period.This system is the elite older brother of the eXtreme Dog Fence Pro Grade kits and Standard Grade kits. You still get the same high quality electronic components. You still get the same top rated professional customer support 7 days per week. There is no better D.I.Y. underground dog fence system available. There is no wireless dog fence that can even compete.Imagine having the value of an eXtreme Dog Fence, the highest rated underground dog fence wire available, and saving thousands of dollars that an Invisible Fence brand system would cost you to have installed. Now you're thinking Max Grade.No need to bury your wire. This wire will provide more than 25 years of rock solid performance above ground or below. Using standard sod or landscaping staples at every 5 foot of boundary wire will ensure that your lawnmower won't catch it and nobody will trip over it while the wire settles into the ground.Your pet is a member of your family and deserves the best protection available. However, you don't need to spend lots of your hard earned money to provide it.Choose the eXtreme Dog Fence - Max Grade system TODAY!!