facial time attendance with access control is with simple A&C function: electric lock, door sensor, exit button, ... good service.(BTS-iface302) Facial & Fingerprint Time Attendance with access control is with simple A&C function: electric lock, door sensor, exit ... , exit button, Wiegand output; 6. Optional functions: WIFI, GPRS, serial printer, Mifare/HID/iClass, backup battery; 7. Power Supply: 12V 3A ...