1.Manufacturer,CE,FCC,SGS,ISO,CCC 2.IP DVS Digital Video Server 3.H.264 video compression 4.2TB SATA HDD local storage IP DVS Digital Video Server 1. Uses SOC (system on chip) design, with built-in advanced RISC microprocessor 9 (ARM9) & DSP2. H.264 video compression3. With Email-alert function, auto-send an email when alarm happens4. Supports data transmission via FTP5. Supports two-way audio6. ...