... , record, playback, backup, network transmission, mobile phone surveillance. DVR Support backup with USB Flash Disk, Movable hard discus writer ... Network. Support 2channel. Main output, 1channel. VGA output. DVR Support Email alarm. Mobile phone surveillance (Win CE/Symbain/iPhone ... 4/8/16 channels 3G Stand Alone DVR, H.264 DVR, CIF DVR, D1 DVR, Combo DVR, DVR Kits... 8CH H.264 Compression surveillance ...