Unlock the door with your fingerprint, keypad, cellphone app, fob, or mechanical key. The ultra-fast biometric sensor reads your fingerprint and unlocks the door in less than a second. A luxurious backlit touchscreen keypad enables code entry. You can open the door or manage up to 100 fingerprints and passwords in the Proscenic app. The L40 smart lock also works with a mechanical key, assuring your entry even if the electronics don’t work.