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. Why TVI? The TVI CCTV camera is an analogue high-definition closed-circuit television video surveillance standard that uses coax cable to transmit HD video from security cameras to DVRs. TVI supports 720p and 1080p HD video resolutions The TVI is also very secure as the camera encodes the picture and the recorder decodes this.