Realand ZDC20 Fingerprint Time Clock Attendance Biometric Time Attendance Recorder System(2.8 Inch TFT screen,Fingerprint + Password + ID Card,Support USB Flash Drive Download) USB Flash Drive Download + USB Communication Large Fingerprint capacity: 1000 ; Record capacity: 150000 Indentification Modes: Fingerprint + Password + ID Card ; Very easy to set up The RIMS (Realand Information Management System)is improving unceasingly and the customers are free to the upgrade ones on Realand official website.