... 15'LCD all-in-one DVR(H.264). Adopts the standard main profile H.264 compression technology, D1 and CIF can ... adjusted supports 4ch recording, Network transmission, and playback simultaneouslySupport dual-stream transmission for all channelsSupport Multiplex operation:live, record, playback, ... output, 1channel, VGA output Support video channel hidden and S.E.Q for single channel Support Digital Zoom ...