Input Type BNC: BNC X 4 Video Input(s) 1, 4, 6, 9, 10, 13, 16 Division Audio Input(s) 1 channel via sound card Recording Rate 120fps (NTSC), 100fps (PAL). Display Rate 120fps (NTSC), 100fps (PAL). Video Resolution 160x120, 320x240, 640x480, (NTSC) 192f-144?384f-288, 768f-576?(PAL) Image Compression Method Engine-K Image Compression Dimensions NTSC 160x120=Average 1Kb/Frame 320x240=Average 2.5Kb/Frame 640x480=Average 6Kb/Frame PAL 192x144=Average 1Kb/Frame 384x288=Average 2.5Kb/Frame 768x576=Average 6Kb/Frame Remote Transmission PSTN / ISDN / LAN / Leased Circuit / Internet Transmission Speed LAN : 120 Frame/Sec (MAX), PSTN : 1~5 Frame/Sec, ISDN : 3~10 Frame/Sec Image Verify WATER-MARK Surveillance Method Remote controller/Audio board IO Card Support: Yes IE Remote view: Remote view is available using web browser. Apache server is installed automatically with site software Note: Single system support 2 cards,16channels display 200 frames, System Requirements OS Supported : Windows 2000 / Windows XP/win ME CPU Celeron 433 MHz or more RAM 128MB (minimum) HDD 80GB (recommended) VGA AGP 16MB or more DirectX V 8.0 or more