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 for those 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. Why AHD? The AHD 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. AHD supports 720p and 1080p HD video resolutions AHD provides hi-resolution picture quality without having to put in or change existing cabling infrastructure, and provides cutting edge features while being compatible with older, existing wiring systems. Modular updates are possible with this technology, which means you don’t have to replace all your cameras immediately if you don't want to. Simp