... broadcasting, two-way audio function, built-in microphone and speaker -Support local and internet storage, built-in Micro SD port, ... , IGMP, RTCP, SMTP, FTP, DHCP, DNS, DDNS, UPNP -Support remote configuration, upgrade, fault inspection, auto patrol and remote maintenance ... function. -Provide public standard API port, Support SDK integrated development, easy to develop all kinds of ...