... / Chroma adjustableAudioCompression standardG.711Two way audioOptionalInterface1* audio input and 1*audio outputNetworkProtocolTCP/IP,HTTP,ARP,RARP,ICMP,DHCP,DNS,DDNS,PPPOE,FTP ... to 100mLinkage alarmVideo block, motion detection, alarm sensor, etc. (area and sensitivity can be set)Motion detectionSupportPrivacy masking zone4Working temperature-10 ...