The SF300 is an IP based fingerprint terminal, which operates in both network mode and standalone mode. it can connect with ZKAccess3.5 software for access control and time attendance management. Wiegand output makes SF300 flexible to connect with ZKTeco or any 3rd party controllers as a slave reader, Additionally, Wiegand input allows two units of SF300 to configure with each other and utilize Master & Slave solution, which requires user verification at both entrance and exit. Meanwhile, anti-pass back function can be used to maximize the security.