Fingerprint Capacity: 1500, Card Capacity(Optional): 5000 (EM/Mifare), Transaction Capacity: 80000, Display: 2.8 inch resistive touch screen, Communication: TCP/IP ; USB Host, Access Control Interface: 3rd Party Electric Lock / Door Sensor / Exit Button / Door Bell, Wiegand Signal: Wiegand input & output, Aux.Input: 1ea for linkage function. SF400 is an IP based fingerprint terminal with both Network and Standalone operation modes. It is connectible with ZKAccess 3.5 software for access control and time attendance management.