O2Face has the function: 1. Auto On Users can automatically log on to Windows without requiring any interaction with a keyboard or mouse. The user only needs to verify their face via web-cam to log on. 2. LiveDetect This is an advanced security feature that checks whether an actual person is in front of the web-cam. It can prevent people to cheating the system by using a photo. If enabled, only a real person can log on or unlock Windows. 3. Single Sign On(SSO) Single Sign On provides automatic web authentications, as well as automatic login for computer applications. It helps users auto-fill their credentials on web forms in web browsers.