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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.

With Wiegand output, SF400 is flexible to connect with ZK or any 3rd party controllers as a slave reader. Wiegand input configures two SF400 units to utilize Master & Slave solution to enable users verification at both entrance and exit. Anti-passback function is also enabled to maximize the security level.

Auxiliary input interface allows SF400 to connect with an extra source, for instance, a smoke detector or emergency switch. Once the linkage function is enabled through the machine menu, the device generates an alarm signal and opens doors in case of an emergency.

Fast Delivery

Support Guaranty

1 Year Warranty

Learn more about this product

  • 2.8-inch capacitive touchscreen
  • Up to 24 user-defined schedules that can be activated on a daily bell alert (optional)
  • Prompt audio acceptance or rejection signals for valid or invalid fingerprint
  • Compact and lightweight, small size for 86mm (L) x 86mm (H) socket installation
  • TCP/IP or RS485 communication for various networking environments
  • Supports USB flash drive for offline data management
  • Built-in auxiliary input with enhanced flexibility to link with wired detector or emergency switch
  • Up to 15 multi-verification methods to enhance the security level
  • Standard access control features such as Time Zone, Holiday, A&C Group, Unlock combination, etc.
  • Duress Alarm offers effective protection  against duress by threats
  • Tamper-proof switch and multiple alarm outputs
  • Multi-language display available on request

Additional information


2.8 inch capacitive touch screen



Fingerprint Capacity


Card Capacity (Optional)


Records Capacity


Access Control Interface

Electric Lock, Door Sensor, Alarm, Exit Button, Door Bell


DST, Automatic Status Switch, Record Query, T9 input, 9-digit User ID, Anti-passback, Scheduled-Bell, Printer (optional), ADMS (optional), Webserver (optional)

Power Supply

DC 12V/3A

Operating Temperature

0 ~ 45°C (32°~113°F)

Operating Humidity

20 ~ 80%

Dimensions (LxWxH)

105mm x 105mm x 32mm

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