... Optional built-in wireless Wi-Fi or GPRS for wireless communicationBuilt-in contacts for 3rd party electric lock, door sensor, alarm, ... exit button, or bell.Wiegand Output for connections to 3rd party access control panels.Specifications CPUMulti-Bio ... (302 Optional), Automatic Status Switch, Self-Service Query, Work Code, T9 input, 9 digit user ID, DLSTAccess control interfaces ...