CCTV is an acronym that stands for closed circuit television, a technology that enables a camera to distribute images narrowly to a designated receiving device or devices, such as monitors, instead of broadcasting it.

It is identification based on your biological person to ensure your identity exclusively, Fingerprints, iris scans, dna, and photos that can be used for facial scanning and comparisons all can be biometric. Most commonly Fingerprints and scan quality photos are used for passport or other legal biometrics.