... NVR3816: 16 channel @D1, 8 channel @720P, 4 channel @1080P IP camera inputs, It can support HDMI, VGA, USB2.0, 8 HDDs ... ,SONY and ONVIF> Support remote network camera encoding setting & image adjust> IP Search feature to auto discover network cameras> Support 8 SATA ... UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS etc)Max Remote Users20 ...