Video input: 16 channels Video output: 16 channels Audio input: 16 channels Audio output: 16 channels Recording rate: 480 fps (ntsc), 400 fps (pal) Display rate: 480 fps (ntsc), 400 fps (pal) Video resolution: Ntsc: 720 x 480, 720 x 480 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, 640 x. Compression format: wavelet, mpeg-4, geompeg4 Compression type: software compression Chipset: connexant878a Operation system: windows 2000 / xp / server 2003/vista Software language: english Network type: client, ie browse, ptz function Remote type: ie&client Backup type: hdd, cd-r, dvd, mo, zip Tv out: yes Single system support: 1 pcs Card dimensions: 195 (w) x 100 (h) mm.