... 2. 1/3"SONY CCD 3.H264 high solution IP cctv camera for Indoor monitoring Wired Super High Resolution Star ... , linear outputAudio talk-backSupport Audio two-way talkSupported ProtocolsTCP, UDP, IP, HTTP, FTP, SMTP, DHCP, DNS,ARP, ICMP, POP3, NTP, ... RTP,RTCP, IPV4System Interface10M/100M self-adapting Ethernet port,1 RS485 port,1 RS232 port (supports transparent protocols)SD card slotSupports smart ...