Compression format : MPEG4                                    Monitor resolution: PAL 720 x 576, NTSC 720 x 480       Record resolution: PAL 640 x 224, 320 X 136       Recording frame rate: PAL 100fps, NTSC 120fps, CIF/D1/HD1    
Video in/out：4 CH BNC/ 2 CH out                              Audio in/out:  2 CH BNC/ 1 CH                              out                                                         Alarm: 4 alarm in,1 alarm out                                                                                  
Support 1 piece 1000G hard disc                                                                     USB 2.0, RS485, mouse,                                                                support chinese, english, france, russian, portugue language etc                                                  Size 28x23x6cm, weight 2kg