1.Pan/tilt/zoom 2.H.264 video arithmetic at D1 ... far away6) Support multiple remote network upgrading, keep maintenance easy and fast7) Network adaptive technology, automatically adjust video frame rate ... fpsControlBrightness / Contrast / Saturation / Chroma adjustableAudioCompression standardG.711Audio InterfaceOne audio input and outputNetworkNetwork protocolTCP/IP,HTTP,ARP,RARP,ICMP,DHCP,DNS,DDNS ...