... Rate25fps PAL 30fps NTSCResolutionVGA(640*480),QVGA(320*240)Video Adjustmentbrightness, contrast, chroma, saturation.minimum illumination0.1 Lux ... bounded i.e.,Center management system(free)1,4,9,16,25,36 or 64 multiple video display optional in one ... screen, support record, alarm, remote playback on records and other management functions. CertificationISO ...