Concealed Fences are created by burying a ‘boundary wire’ a few inches underground all around your house. The buried wire carries a harmless, low level radio signal from the transmitter mounted in your home or garage. Your pet wears a lightweight, water-proof receiver collar that acknowledges the radio sign. As https://www.google.com/maps/place/Cornelius+Pet+Care+LLC/@35.471689,-80.8545751,15z/data=!4m6!3m5!1s0x8856a97d3e52d5a3:0x363b7743066d6e49!8m2!3d35.471689!4d-80.8545751!16s%2Fg%2F1yh9tfd5d?entry=ttu