Operating System: Linux Language: Chinese / English / French / Italian / German / Ru Recording Rate: 120fps (NTSC), 100fps (PAL) Display Rate: 120fps (NTSC), 100fps (PAL) Video Input: 4 ch input Video Output: 2 ch BNC & 1ch VGA output Audio Input: 1ch input Audio Output: 2ch output Alarm Input: 4ch input Alarm Output: 1ch output Display Resolution: CIF/H D1 Record Resolution: CIF/H D1 Compression Format: H.264 Record Mode: Manual / timing[...]

1) MPEG4 compression format allows 4 line video input 2) Frame rate: a) PAL: 25 fps b) NTSC: 30 fps 3) Resolution: 640 x 480, 320 x 240 4) Storage required: 60-100MB/line/hour 5) You can select different speeds when replaying forward or backward 6) Signal alarm can be transmitted via LAN or wide area network 7) Remote playback functionality through telephone line, or internet 8) I/O: 4 inputs, 3 outputs 9) Supports installing 4 cards, allowing for up to 16 lines of video input 10)[...]

Video Input: 4 Channels Video Output: 4 Channels Audio Input: 1 Channels Audio Output: 1 Channels Recording Rate: 30 fps (NTSC), 25 fps (PAL) Display Rate: 30 fps (NTSC), 25 fps (PAL) Video Resolution: 704x576,352x288(PAL) 640x480,320x240(NTSC) Compression Format: MPEG4 Compression Type: Software Compression Chipset: Operation System: Intel P4 Celeron processor，minimum 1700MHz Software Language: English, Chinese NetWork Type: TCP/IP[...]

Video Input: 16 Channels Video Output: 16 Channels Audio Input: 4 Channels Audio Output: 4 Channels Recording Rate: 120 fps (NTSC), 100 fps (PAL) Display Rate: 120 fps (NTSC), 100 fps (PAL) Video Resolution: NTSC: 720x480, 720x480 de-interlace, 720 x 240, 640 x 480, 640 x 480 de-interlace, 640 x 240, 320 x 240 PAL: 720 x 576, 720 x 576 de-interlace, 720 x 288, 640 x 480, 640 x 480 de-interlace, 6 Compression Format: Wavelet, MPEG-4, GEOMPEG4 Compression[...]

1) MPEG4 compression format allows 4 line video input 2) Frame rate: a) PAL: 25 fps b) NTSC: 30 fps 3) Resolution: 640 x 480, 320 x 240 4) Storage required: 60-100MB/line/hour 5) You can select different speeds when replaying forward or backward 6) Signal alarm can be transmitted via LAN or wide area network 7) Remote playback functionality through telephone line, or internet 8) I/O: 4 inputs, 3 outputs 9) Supports installing 4 cards, allowing for up to 16 lines of video input 10)[...]