CCTV Security Cameras, also known as analog surveillance cameras deliver video imaging over a coax cable with composite video signal output. These types make up the original, security camera systems and professional units almost always use a BNC connector. Today modern CCTV Security Systems has far surpassed its predecessors in performance and design. Security Cameras of all shapes and sizes are available for pro video surveillance. In fact, there are so many providers of CCTV cameras in today’s market that it can be difficult to understand the differences between professional and consumer grade as well as individual device specifications. At A2Z Security Cameras, we first focus in quality products with expert service, rather than selling off-brand or higher margin products for our own benefit. Therefore our clients enjoy the advantages of long lasting solutions and optimal users’ satisfaction.