... , Max 2048G 4-CH Alarm input DVR, Stand alone DVR, Network DVR Main Features1. H.264 main profile ... Powerful network services (support DHCP, PPPOE, FTP, DNS, DDNS, NTP, EMAIL, IP permissions, IP searches, Alarm Center, ... and fast forward playback by intervals different times11. Network protocol: PPPoE, DHCP, LAN and 3G12. ... earlier working status of the DVR by this. DVR, Stand alone DVR, Network DVR