... .5mm linear input interface, one 3.5mm linear level outputNetworkProtocolTCP/IP, HTTP, ARP, RARP, ICMP, DHCP, DNS, DDNS, PPPOE, FTP, SMTP ... domain name client, 2-level domain name convenient for dynamic IP usersSuggested Remote Visitors5 (direct access by TCP), many by multicastMonitoring ... , RoHS 420TVL PAL/NTSC SD card Storage box fixed wireless ip camera