Modules name : P 878A -Capture Chip : Conexant 878A -Video Input(s) : BNC x 4 -TV-Out : No -Total Recording Rate : 16~30fps (NTSC), 12~25fps (PAL) (depend on CPU speed and Video channel amount ) -Total Display Rate : 30 fps (NTSC), 25fps (PAL) -Video Resolution : 320 x 240 -Compression Format : MJPEG (software compression) -Digital I/O : No -Watch Dog :Yes