Are you worried about your dog digging in the garden or how to stop dog escaping and creating a nuisance with your neighbours? What you see in the above video is an electric dog fence, the Pet Barrier that can keep your dog safe and protect your garden beds. This dog fence uses a coded digital FM frequency and hence there will not be any interference with other radio signals in the surrounding areas. The surge protection feature protects the transmitter from lightning strike damaging the electronic transmitter.The radio signal is created by two components of this dog fence kit, the transformer and the transmitter. The transformer is plugged into the normal power plug to power the transmitter. This radio fence has surge protection systems attached and therefore there is no damage during lightning. wire break alarm present in the fence system provides advance information about any defect in the system.