CCTV or surveillance cameras are the first line of defense against theft, burglary, vandalism, intrusion, and other criminal activities at your property. They help you secure a premise through continuous monitoring and surveillance to deter crimes and unethical activities. When it comes to installing surveillance cameras, professionals conduct a quick survey of the building to create a surveillance diagram to decide on the right places and proper angles for better monitoring and surveillance. It also helps them decide the right surveillance cameras for the right places for complete security.