... Big Capacity Fingerprint Time Attendance and Access Control System(Model No:iClock880) Introduction:iClock880 time attendance and ... unlocking combination function, easy integration with door lock system. 4. Communications Versatile interface options including RS232/485 ... IP, USB-hostStandard FunctionsWorkcode, SMS, DLST, Scheduled-bell, Self-Service Query, Automatic Status Switch, T9 input, photo- ...