Technical Parameters: Fingerprint capacity: 3,000 Transaction Storage: 80, 000 Period of data: Keep data for 3 years when no current. Collecting rate: Port rate (9600BPS, 19200BPS, 38400BPS) Verification mode: 1: N FAR: <0. 0001% FRR: <0. 01% Response time: <0. 7 second Alarm clock: embedded alarm clock Communication: RS232, TCP/IP, U-Disk The capacity of connecting net: 31 units (RS485 mode), 255 units (TCP/IP) Show: Time, ID number, Name Working mode: Time & attendance, standalone, can working persistently Time & Attendance mode: Fingerprint and password Save function: Turn off device automatically for saving Power: DC9V, 1A (AC 100V to 240 V, 50 to 60 Hz) Warranty of period: 24 months Temperature and humidity: 0 - 45, 20%-80% Option: Proximity or Mifare or HID card reader,USB, backup battery Language: English, French, Spanish, Czech, Indonesian, Portuguese, Turkish and so on Applications: Small office and slap-up sites and so on