Integrated Wi-Fi and Bluetooth enable seamless and quick remote lock monitoring and management from anywhere Yale Access App lets you effortlessly manage access, grant entry, and share codes, while Yale Access app's activity feed lets you remotely track entries and exits Enabling Auto-Lock makes the door automatically lock itself once DoorSense confirms it's shut, leaving you with one less task to remember Two-factor authentication, biometric confirmation, and matte keypads for fingerprint resistance enhance the security You can upgrade to Yale Smart Module to remotely use the Yale Access App to track entries and exits Requires just a screwdriver for easy installation and for replacing your deadbolt with Yale on most standard US entry doors Comes with a backup key in case of an emergency or battery outage