... IP Camera, 1.H.264,Dual stream,480 tvl SONY CCD 2. two way audio, 3.10 x optical zoom 4.IR ... =3.9-39.0mmVideoCompression FormatH.264 main profile level 3,Dual StreamSignal SystemPAL or NTSCResolutionMain Stream.D1,CIF,QCIF can be ... )Outputone channel linear output,normal connector Of 3.5mmNetworkSocketRJ-45 10/100Mb self-adaptable Ethernet slotProtocolTCP/IP,HTTP,TCP,ICMP,UDP,ARP ...