0.33-inch color Sony CCD image sensor; Long-range infrared LED automatically illuminates your viewing area in the dark; High resolution of 470 horizontal TV lines of resolution, and S/N ratio of 48dB or better
0.25-inch color CCD sensor; Includes four cameras and a quad-splitter in shatter-resistant dome; Image resolution of 512 by 492 pixels and video resolution of 380 TV lines at 30 fps
0.25-inch color CCD image sensor camera; Features 4-9 millimeter varifocal lens; 512 by 492 effective pixel elements and 420 horizontal TV lines of resolution
