All-in-one card function: Any card with a sensor, such as a property card, parking card, mobile phone card, ID card, membership card, public transport card, etc., can be used to unlock the door after authorization.
Fingerprint recognition function: Fast reading speed, high accuracy, a secure "hand" protector.
Information update function: No need to change the lock when dismissing a nanny or employee. The lock is set so that the original personnel will not be able to unlock it with the original password or sensor card.
