... Contrast / Saturation / Chroma adjustableAudioCompression standardG.711Audio InterfaceOne audio input and outputNetworkNetwork protocolTCP/IP,HTTP,ARP,RARP,ICMP,DHCP,DNS,DDNS ... interface (optional)OthersIR80 meters infrared rangeLinkage alarmVideo block, motion detection, alarm sensor, etc. (area and sensitivity can be set)Motion ... 55W 18x zoom outdoor constant speed wireless true day and night camera