... Network Operating System: Windows2000 / XP /Vista 32Image sensorSony 1/3" CCD Resolution420 TV line Color SystemPAL/NTSC Illumination0 Lux ... extra cost) Scanning system2:1 Interlace IR LEDs36pcs LED S/N Ratio:> 50dB Electronic shutter1/50 - 1/100,000 sec White ... mix inserting with ETHER9404 & ETHER9808ÐER9404A . Multi screen monitoring, 1,4,9,16,25, 36 split Screen available, support rotate ...