This high-quality video surveillance camera with day & night vision from OYN-X is ideal for home and business security. This range is a high quality but competitively priced offering, geared towards smaller business and home security applications who do not wish to compromise on their high definition multi-channel security solutions.This high-quality video surveillance camera with day & night vision from OYN-X is ideal for home and business security. A Vari-Focal lens is usually more expensive, but it allows you to adjust the aperture on the fly. This leaves less room for error and would also allow you to make changes to the view at a later date. Varifocal lenses come in various apertures. Composite video is an analogue video transmission (without audio) that carries standard definition video typically at 480i or 576i resolution. Video information is encoded on one channel, unlike the higher-quality S-video (two channels) and the even higher-quality component video (three or m