Master User Card A single Master User Card can be registered.
Technician Card A single Technician Card can be registered. Technician Cards are only used in Public Function.
Private Function This is intended for use where there is a single user. Up to 50 individual MIFARE™ cards can be registered on the lock and only those registered cards can continue to unlock that lock.
Public Function Suitable for short-term use by different users. Touch a MIFARE™ smart card to lock the lock and then use the same card to unlock the lock, leaving the lock in that unlocked state for any other compatible card to be used.