If someone has a security camera, then he must have an automatic crime deterrent. In a nation where burglary is one of the most common crimes committed, anything he/she can do to deter crime is a good thing.
A security camera installation provides the home or business owner, with actual hard evidence something was done, or that a crime was committed or attempted.
This might not be available otherwise. With 24/7 video camera monitoring, one can have immediate access to his entire home or business and knowledge of any suspicious activities.
Installation is easy if someone has the security expert come out and install the cameras for him in the best places possible. One would not have to mess with the installation and set up if he doesn't want to, so this makes security just one step easier.
One can invest in a wireless system and install hidden cameras so, one can catch people in the act without their knowledge. Some people may prefer to use cameras as a deterrent to scare burglars off.
However, surveillance cameras that are hidden from view may capture video of actions that can be used later in a case against a burglar that did not realize his or her every move was caught up on tape.
One can even use video cameras to keep an eye on his children or relatives that need assistance or care, so they are multi-purpose items if he/she would think about it. Investing in video cameras is a win-win situation for all parties involved.