Video Input/Output: BNC 4CH In/ 1CH Out/ VGA 1CH Out, HDMI 1CH Out, Audio Input/Output: RCA 4CH In/ 1CH Out, Compression Method: H.264, Real time recording support:, Preview resolution: 960 x 480 ( NTSC ), 960 x 576 ( PAL ); Playback resolution: 960H x 4, |