The SF100 is an IP based fingerprint terminal work both in network and standalone mode and it works with essl software for access control and time attendance applications. Wiegand output makes SF100 flexible to connect with eSSL or any 3rd party controllers as a slave reader, additionally wiegand input allows two SF100 to configure with each other and realize Master & Slave solution that requires user verification at both entrance and exit, meanwhile anti-passback function could be achieved to maximize security level. Auxiliary input interface allows SF100 to connect an external source as smoke detector or emergency switch and enable a relevant linkage in the machine menu, the device would generate an alarm signal or open the door at the same time, this linkage functon is very useful for fire emergency etc