... live display, 30 (NTSC) / 25 (PAL) IPS, for each channel·Event recording, time-lapse recording or both·Playback ... and reactions·One 3.5” or 2.5” hard disk drive·Video/audio backup to SD card or USB2.0 ... devices, including pen drive, DVD+RW, DVD+R, and DVD-R·Ethernet interface for remote access through web ... , and remote software upgrade·1 I.E. software for up to 4 DVRs·PTZ control capabilities & RS- ...