... address.> High image & video quality, Two-way audio monitoring.>1,4,9,16,25,36 or 64 multiple video display optional ... setup, friendly user interface. SpecificationImage SensorImage Sensor1/4"Color CMOS SensorLensf: 2.8mm, F:2.4 (IR Lens) / f: 6.0mm, F ... Weight Dimension CertificateCE,FCCWarrantyLimited 2-year warranty Wireless N indoor PT H.264 low cost HD webcam/IPC