Efficient Containment Helps create an effective signal field with our GPCT4253 dog fence system to deter our dogs from the designated area,which greatly ensures our pets' safety. Underground Boundary Wire Unlike traditional dog fences,our boundary wire can be buried underground,which creates a virtual boundary while effectively encouraging our dog to stay and roam freely in the designated area,keeping our beloved pet away from the uneasiness of living in a real fence. Self-made Boundary Area with our 656 feet boundary wire,you can freely set an enclosed space in the yard for your dog to ensure its safety. Solid &. Waterproof Made of aluminium,sturdy and waterproof. Suitable for dog training. Easy To Use Easy to set up an efficient dog fence system with our boundary wire via using a garden hoe or trencher.