Technical Parameters: User Capacity: 3000 Transaction Storage: 80,000 Period of data: Keep 3 years when no current Collection rate: Port rate (9600BPS, 19200BPS, 38400BPS) Verification mode: 1:1, 1: N FAR: <0. 0001% FRR: <0. 01% Response time: <0. 7 second Alarm clock: Embedded alarm clock The capacity of connecting net: 255 units (TCP/IP), 31 units (RS485 mode) Communication: RS232, TCP/IP Show: ID number, Time, Name Language: English, French, Spanish, Czech, Indonesian, Portuguese, Turkish and so on Working mode: Time & attendance, standalone, can work persistently Time & Attendance mode: Fingerprint, password, card, fingerprint + password, fingerprint + card Save function: Turn off device automatically for saving Size: 178*55*128mm Power supply: DC5V, 1A (AC 100V to 240 V, 50 to 60 Hz) Warranty of period: 24 months Temperature and humidity: 0 - 45, 20%-80% Options: Proximity or Mifare or HID card reader, backup battery Application: Factory/office/bank/hotel etc