H.264 compression,4 channel standalone dvr,support SATA HardDisk, Mouse,USB,network,IE ... backup supported • PTZ camera control in local and remote area• E-mail notification • 3G supportNetwork Viewer:• Static, Dynamic IP and ... 625Line,50f/s), NTSC(525Line,60f/s)Video Input4 channel, BNC , 1.0V p-p/75ΩComposite Video ... , 1.0V p-p/75ΩMonitor Video Output1 channel, BNC, 1.0V p-p/75ΩVGA Interface1 VGA, ...