... audio talk-back7. Alarm by emails with pictures8. Static IP, and dynamic IP (DHCP)9. DDNS10. Motion detection, alarm function (alarm ... NTP.16. Auto reconnection in network breakdown.17. Support TCP/IP,HTTP,TCP,ICMP,UDP,ARP, IGMP,SMTP,FTP,DHCP,DNS,DDNS,NTP ... detectionCan setup 4 independent detection zonesControl ports1ch RS485Network protocolTCP/IP,HTTP,TCP,ICMP,UDP,ARP, IGMP,SMTP,FTP,DHCP,DNS,DDNS ...