... 480/520 line, 0.5LUX, 1/3 SONY CCD night vision 50m IP Infrared Camera (GS-8A13) 420/480/520 TVL selectableFeatures ... function (Support DHCP, PPPOE, FTP, DNS, DDNS, NTP, Email, IP authority, IP search, web alarm center), (WEB, client viewer)Technical Specification:Image ... /secondVideo Compression Bitrate 16Kbit/S~4Mbit/SSupported Protocols TCP, UDP, IP, HTTP, FTP, SMTP, DHCP, DNS, ARP, ICMP, POP3, NTP, ...