1.Biometric time attendance and access control+RFID 2,TCP/IP, USB, RS485 3,Anti passback, 2000 fingerprints,Record,500 biometric access control and time attendance system, Blue LCDUser name ... door open time delay,Fingerprint Capacity: 2000; Record Capacity: 50000;4 functional keys to define multiple work statusTime zone and group access function ...