ZKTECO F21 CARD READER

F21 is the first time attendance and access control terminal applying the most advanced SilkID technology. It not only possesses outstandingly high identification rate towards dry, wet and rough finger, but also provides the utmost security by its live finger detecting capability.Zkteco ZK F21 Fingerprint time attendance and access control terminal is the first time attendance and access control terminal applying the most advanced SilkID technology. It not only possesses outstandin-gly high identification rate towards dry, wet and rough finger, but also provides the utmost security by its live finger detecting capability.as well as photo taking function which enables attendance photo and Photo ID(optional). 2.4-inch TFT color screen. Full Access Control Features: Anti-passback, access control interface for 3rd party electric lock, door sensor, exit button, alarm and doorbell Built-in auxiliary input with enhanced flexibility to link with wired detector or emergency switch.Multiple Verification Modes: Multi-verification methods (card is optional) providing user various choices