Virdi AC2100 is a practical and affordable biometric fingerprint authentication reader with fake fingerprint recognition technology. Features of Virdi AC2100 fingerprint access control device: Live Finger Detection: New patented sensor detects fake fingerprints made of paper, film, silicone and rubber. RF Cards (option): Can be embedded in the fingerprint recognition terminal for double or triple security or to use with unclear fingerprints. USB Interface: USB Interface for management via PC. Excellent Waterproofing: IPX3 rating the international waterproofing standard! It can be installed in virtually any location. Intelligent Capture: The fingerprint recognition algorithm authenticates dry or wet fingerprints fast and accurately for various users. Voice: Operation and status is announced by automated voice system for first-time users to operate the device easily.