Introducing the all-new Boundary Plus Smart System. A smart dog fence that provides real-time notifications and reassurance about your pets' security and complete confidence in your purchase with our One Year Money-Back Guarantee. The all-new Boundary Plus Smart System puts the "Smart" in Smart Dog Fence, alerting you and your local Invisible Fence Dealer with notifications regarding your system. Boundary Plus Smart creates a time-based Invisible Boundary Area around your property, protecting your pets from escaping.