CCTV can be defined as close-circuit television used with a video camera. These cameras are connected to television/monitors in a limited area such as store, office, schools, malls, colleges, etc. Some of its functions are monitoring the traffic on roads, to control the destruction in public transports, production control in factories, etc. It can be connected with the computer and television monitors with the help of a cable to see the video footage. This device nowadays is being used around the world for different purposes. In today’s world we can see these cameras all around us in shopping malls, streets, railway station, air ports, etc.

It is a very useful product as it can catch the movements happening within the coverage area. Different types of CCTV are available in the market having diverse mega pixels capacity and dissimilar prices. It is quite simple for a person to operate this device, in spite of its wide function menu and audio video outlet slots. It can be properly operated by using the manual guide. Fixed focal length is a thing which is most common in all the cameras. This product can operate on either batteries or electricity.