... may hold 400 faces (optional 3000) without dividing groups, its default identification mode is Fingerprint & Face, ... /IP, RS232/485 communication and USB Host..3.0 inch TFT touch screen, T9 Input, ... door belling, the right one is for shift of identification mode. .Infra-red optical system enables user- ... the 3rd party door sensor, alarm, exit button, wired bell and electric lock..50 time zones, 99 groups ...