... .>1,4,9,16,25,36 or 64 multiple video display optional in one screen, support record, alarm, remote playback on ... (IR Lens) / f: 6.0mm, F:2.0 (IR Lens)Display Resolution1280*800 Pixels(1M Pixels)Mini. Illumination0.5LuxLensLens TypeGlass LensViewing ... (suggested 3.0GHz)Memory Size256MB or above (suggested 1.0GHz)Display Card64M or aboveSupported OSMicrosoft Windows 2000/XP/Vista ,Mac OSBrowserIE ...