dvr card 4 channell

Description:
    MPEG-4 compressing format, it allows 4-line video input and 1-line audio output.
    vacuum engrossed by kinescope is about 60M-100M/line/hour
    When using signal line to collect, it can offer synchronized perfect video frequency collection function.
    You can select different speed when replaying, speed or backward.
    Signal alarm could be transmitted through LAN or long distant area network.
    It could realize skimming and playing-back over image at long distance, could   transfer through telephone line ,could skim over through IE.
    It could support installing 4 pieces of card by signal system, and could realize 16 lines video frequency gathering, the general resource of kinescope is about 100 frames.