... CommunicationRS485, TCPIP(Optional : Wireless LAN)*Telephone call (Optional)U-diskSupport*SD Card (Optional)Audio outputyes(IIS mode)RTCyesWorking voltageDC 12V ± 5%(current ... Attendance log/Management log500,000/50,000Photo Logging10,000Identify modeFingerprint, card, password and combinationsmulti-persons combination identification modeDisplay languageSupport several languagesSearch ...