The Morphy Nxt Smart Door Lock has a multi-authentication mode, i.e., Ozolife App, registered Fingerprint, Password PIN code, RFID card, & Emergency key making it the apt choice in this digitally driven world. The lock doubles up as doorbell as well. The lock can memorize up to 100 fingerprints & RFID cards. Furthermore, it is secured with anti-theft password technology, privacy locking, passage mode, and a universal handle. In addition to that, the lock has an external USB port for battery backup in case of power failure.