A DIY Kit comes with the Pet Barrier Dog Containment Kit. The amount of wire you want, the Dog Fence receiver Collar type, and whether you want extra collars is all you have to do. This transformer enables your transmitter to be able to prevent harm to your transmitter. Of course, the transmitter must be able to protect against electrical fluctuations. It must also guarantee that the radio signal does not leap out of the fence and ?zap? the dog into the incorrect region. The transmitter has been wholly shielded by a surge (included in the guarantee) and utilizes an encoded FM signal surrounding your building, which means that the dog closed in the home will not interfere.