... user-defined function keysContact relays for door access control (wires to door strike or 3rd party panel)Web- ... communicationBuilt-in contacts for 3rd party electric lock, door sensor, alarm, exit button, or bell.Wiegand Output for connections ... user ID, DLSTAccess control interfaces for3rd party electric lock, door sensor, exit buttonWiegand SignalOutputOptional functionsserial printer, Mifare card, ...