Compression Format:Wavelet, MPEG-4, GeoMPEG4 16-ch Video Input, Audio Input:optional Display Speed: 480fps (NTSC), 400fps (PAL). Recording Speed: 480fps (NTSC), 400fps (PAL). Video Resolution :320x240, 640x240, 640x480, 640x480 S/W OS: Windows NT/2000/XP