Main unit (Z251DVBA) Product Name: Entrance Door XE, Entrance Door DA, Grander 2, GIESTA 2, GIESTA 2 Fire Door, PRENAS X, Rechent Entrance Door 3, Rechent Entrance Door 3 Fire Door, Rechent XE, L.move 2, L.move 2 Fire Door, Open Gate AA, Open Gate AB, Open Gate AX, Open Gate AH This is a tag key for FamiLock. - Up to 20 card keys for CAZAS Plus can be registered. - Up to 10 card keys for Familock can be registered.