While traditional password or smart-card controlled door locks are already widely implemented, there is a major limitation for them: The inability to protect against unauthorized possession of the key (e.g. stolen smart cards, stolen passwords). Biometric security technologies can solve this problem. As a result, it only makes sense for the deployment of door locks that combine the two types of technology for more secure but yet convenient physical access control. Among many biometric security solutions, face recognition has the distinct advantage of having the ability to provide audit trail on potential intruders. Moreover, due to the fact that face recognition requires no physical contact between the users and the devices, the maintenance on the devices would be the minimal. Pro Access FaceGuard Why do I need Face Recognition in Door Access Control System? While traditional password or smart-card controlled door locks are already widely implemented, there is a major limitation for them: The inability to protect against unauthorized possession of the key (e.g. stolen smart cards, stolen passwords). Biometric security technologies can solve this problem. As a result, it only makes sense for the deployment of door locks that combine the two types of technology for more secure but yet convenient physical access control. Among many biometric security solutions, face recognition has the distinct advantage of having the ability to provide audit trail on potential intruders. Moreover, due to the fact that face recognition requires no physical contact between the users and the devices, the maintenance on the devices would be the minimal. Top " 8 " Reasons to Buy 1. Proven : based on "Ti-Face" award-winning technology. 2. Scalable : from single point to multi-gates complex. Etc.