Up to 4/8/16 channel HD-SDI video 1080p realtime live view Max 200/ ... / 720P(25/30,50/60)AudioInput4 channel, BNC8 channel, BNC16 channel, BNCOutput1 channel, BNCTwo-way Talk1 channel Input, 1 channel Output, BNCDisplayInterface1 HDMI, 1 VGA, ... title, Time, Video loss, Camera lock, Motion detection, RecordingRecordingVideo/Audio CompressionH.264 / G.711Record Resolution1080P(1920×1080), 720P(1280×720 ...