H.264 Compression, Mobile Surveillance Support, VGA & BNC output, USB2.0 Backup, Remote controller, Mouse, Network (DHCP, DDNS), SATA HDD Support. NTSC/PAL, 4Ch 120fps/120fps (240ips/240ips). Motion detection, External alarm recording, record time search, record list search, event list search, network backup and playback at same time, remote monitoring, remote playback and remote record, RS-485 controller, CMSOptional with 160GB, 250GB, 320GB, 500GB, 1TB HDD