F22 is an ultra-thin fingerprint time attendance and access control terminal with Wi-Fi, which offers unparalleled performance with advanced algorithm for reliability, precision and excellent matching speed. F22 features the fastest commercial-based fingerprint matching algorithm and ZKTeco high-performance, high-image quality infrared  detection fingerprint sensor.   F22 provides a superior touching experience with touch keypad, and offers flexibility for standalone installation or with any third-party access  control panel that supports standard wiegand signal. TCP/IP and Wi-Fi are also available that the device can be used in different networks.