4 Channel Recording System DVR-PT-204

4 channel/Full Triplex Function : Live / Record / Playback At The Same Time/Allow Real Time Display & Recording/ Provide Watermark and Channel Masking 9 Support CF Card Backup/ Recording Mode : Multiplex & CIF/RS485 for P/T/Z Control/ PIP / Zoom / Freeze Function/Up To 2 Internal HDD (PC Readable)/Password Protection/Auto NTSC / PAL Detection/Support Motion Detection/1 Audio In / 1 Audio Out /internet remoter view