... compression technologyD1 and CIF can be adjusted, supports 8ch recording,Network transmission, and playback simultaneouslySupport dual- ... , backup, network transmission, mobile phone surveillanceSupport backup with USB Flash Disk, Movable hard discus writer, NetworkSupport 1channel. ... DVR Recorder production line contains: 4/8/16 channels 3G Stand Alone DVR, H.264 DVR, CIF DVR, D1 DVR, Combo DVR, DVR ...