WagFence™ - 3-in-1 Wireless Dog Fence Invisible Training System (WaterProof)Keep Your Pet Safely Close To Home. Problem: Millions of dogs are killed on the roads each year because cars simply dont see them. Your yard might be small. But that doesnt mean you have to keep your pet on a short leash. Keep pets safe with WagFence It doesnt hurt; its simply a training aid that helps you teach your dog to stay within the boundaries of your yard. So, relax. And let your pet make the most of your (not so squared) yardage. BENEFITS