Built in embedded standalone ARM9 module (ZKS900) with big capacity FLASH, it is easy to integrate with various systems. ARM9 platform support enterprise VPN. Alarm clock function for giving the correct time for On and Off. Single door control function. Optional integrated prox. or smart card reader. Built-in USB, Wiegand out and Ethernet ports. SDK available for OEM customers and software developers. Accept ODM or OEM, providing system local voice, menu language, software analysis, casing-making. User capacity: 3, 000 Transaction Storage: 80, 000 Period of data: Keep data for 3 years without current Support baudrate: 9600BPS, 19200BPS, 38400BPS Verification mode: 1: N, 1:1 FAR <0. 0001% FRR <0. 01% Response time <0. 6 second Alarm clock: Embedded alarm clock External functions : Connect Electronic lock(Access Control), Electronic bell Communications :TCP/IP, USB and Weigand output Access control :Support 50 time zones, 5 groups and 10 unlock combinations Show :Time, ID number, Name Language: English, French, Spanish, Czech, Indonesian, Portuguese, Turkish and so on Working mode: Time & attendance, standalone, can working persistently Time & Attendance mode: Fingerprint, password, card, fingerprint + password, fingerprint + card Save function:Turn off device automatically for saving Size: 178*128*55mm Power supply:DC9V, 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 one card, backup battery Applications: Office / hotel / hospital / bank / prison / school etc