... 4-channel Stand alone DVR with VGA,4-channel, H.264 compressed 2 channel alarm input, 1 channel alarm output Real-time 4-channel Stand alone DVR with VGA,4 ... panel, remote control, network 7. USB interfaces 8.4 channel playback or single channel playback 9. Support LAN, WAN, ADSL ... and RS485 x 1 SupportedBackupUSB, CDRW, DVDRW and Network SupportedResolutionDisplay: 704 x 576 Compression: CIF 352 x ...