The present invention relates to fingerprint scanner-based door locks. The invention proposes potential embodiments of the door locks, wherein a first embodiment includes a fingerprint scanner with a key card system and a second embodiment includes a fingerprint scanner with a number pad lock. The fingerprint scanner is used for receiving a fingerprint and is associated with an LED that is illuminated in a specific color indicating the status of authorization of the received fingerprint. Door locks of the first embodiment can be configured to be connected to a communication network of a hotel or resort in which the locks are installed using a central software. Door locks of the second embodiment can be configured to be connected to a smartphone application for configuration. The door locks include control and processing circuitry for authorization of a scanned fingerprint and received key card/PIN.