Embedded with state-of-the-art facial recognition technology, FxGuard Windows Logon 4.0 provides higher security than conventional password-based verification security systems for personal computers. 

FxGuard Windows Logon 4.0, the latest version of FxGuard Windows Logon which supports the Microsoft Windows Vista platform, allows users to log in their PC or notebook computers with a quick facial verification within one second. The problem of leakage of password or the difficult remembering of password is easily wiped out by your unique facial features and the advanced biometrics authentication technology.

• Highly accurate and speedy facial recognition engine
• Facial verification in less than one second
• Captures all unauthorized login attempts with images
• Learns your latest face whenever you login
• Encrypts file and masks it with image file
• Can deal with variations in facial expressions and lighting conditions

System Requirement	1 GHz 32-bit (x86) Processor & above Minimum 1GB of system memory 200MB available Hard Disk Drive 16-Bit High Color Display & above Windows Vista only Microsoft DirectX 9.0 or above
Database	Native in proprietary format with industry standard encryption
Input	Standard web camera
Faceprint size	2K Bytes per user
Pose	Tilt: +/- 20 deg. Roll: +/- 20 deg. Yaw: +/- 25 deg.
Race/Gender	No restriction
Robustness to variability	Robust with respect to reasonable changes in facial expression, facial hair, hairstyle, etc.
Eyeglasses	Can work with eyeglasses provided the eyes are visible
Lighting	Except in extreme conditions, lighting effect is not significant
Background Distraction	Independent of background