... CCTV DVR H.264 compression format 4ch video input,1ch BNC output,1ch VGA output 4ch audio input,1 ch audio output USB backup 4CH, H.264, ... SATA, Support mouse, USB, network, PTZ, IE View, 7" TFT,support Iphone,black berry mobile monitoringH.264 ... compression formatRealtime: 25fps/ ch, 4ch 100fps(PAL), 120fps(NTSC)4ch video input,1ch BNC ...