Fingerprint Capacity: 3,000/1,000(SSR function on), ID Card Capacity: 1000, Communication: TCP/IP, USB-host, Standard Functions: Work Code, SMS, DST, Self-Service Query, Automatic Status Switch, Scheduled-bell, T9 Input, 9 Digit User ID, Built-in Battery, Simple Access Control or External Bell - Works with ZKTime.Net3.0 Software, 1 Year Warranty