1.dvr software 2.DVR Support Email alarm. 3.DVR Support Multi-language OSD ... DNS,DDNS,NTP,UPNP IE Browser Support Client Software Support Dual Stream Support(Main and secondary ... Mouse Interface USB2.0 Backup interface USB2.0 Remote Controller Support(Supports co, , ntroller ID matching ... channels 3G Stand Alone DVR, H.264 DVR, CIF DVR, D1 DVR, Combo DVR, DVR Kits Hot 8CH H.264 Compression dvr software