Retinal scanner

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A retinal scanner is a human security device which scans the retina of an eye for identity verification and authentication. Individuals attempting to acquire confidential information or gain access to a secured locale must often undergo a retinal scan and a fingerprint or voiceprint scan.[1] They are utilized aboard UNSC starships, space stations, and in various other military complexes.[2][3] They are also commercially available and can be equipped on the doors of residential homes.[4]

Gallery[edit]

List of appearances[edit]

Sources[edit]

  1. ^ Halo: The Fall of Reach, Chapter 15 and Chapter 25
  2. ^ Halo: First Strike, Chapter 11
  3. ^ Halo Wars: Genesis
  4. ^ Halo: Escalation, Issue #7