... solid plastic shell, light and easy for installation. ApplicationIPV2 Series is an ideal product for various fields security surveillance with ... DDNS, PPPoE, DHCP, SMTP, POP3, VPN, DDNS and so on network protocols;Support ONVIF (Open network video interfaces form) standard ... 30 meters;Support AWB, natural color, clear image;Support two-way audio communication: hear what you are viewing and talk through ...