"The Smart Gun or Personalized Gun is a concept gun that aims to reduce the misuse of guns through the use of RFID chips or other proximity devices, fingerprint recognition, or magnetic rings. Only magnetic devices are readily available".
"Proponents of smart gun technology say that smart gun technology would reduce or eliminate accidental use and misuse of guns by children and teens, as well as reducing accidental discharges or the use of a gun against the owner if it is stolen or taken away".