... Wi-Fi compliant with IEEE 802.11b/g.Support two way audio monitoring.Multi-level users access and management with password ... illumination:0.5Lux@550nmLens Type:Glass LensViewing Angle:90 degreeAudio:support two way audio monitoringEthernet:One 10/100Mbps RJ-45Supported ... 240)BUILT-IN ONE-TWO WAY VOICE PROCESSOR, SUPPORT VOICE MONITORINGINTERNET PROTOCOL SUPPORT TCP/IP,HTTP,ICMP,DHCP,FTP,SMTP,UPNP, ...