Fingerprint Capacity:5,000 Card Capacity:15,000 Transaction Capacity:100,000 Communication:TCP/IP, USB Host / Client Hardware:1.2GHz Dual Core CPU, Memory 128MB RAM / 256MB Flash, SilkID Fingerprint Sensor, 2.8 Inches TFT-LCD Screen, Hi-Fi Voice & Indicator Standard Functions:Work Code / WDMS, DST / Bell Schedule, Attendance Status Auto-Switch, Record Query, Custom Wallpaper & Screen Saver,ID Card Reader