The CCTV at home is for protection in case there is a break-in. Another benefit with the CCTV is that you can go to a website to see the views of the camera. This feature is very beneficial when you are away from home. Take not that the video recorder is running together with the tv aside from the number of cameras. All those electronic gadgets are consuming electricity. When you are away from home, you can turn off the tv if no one is monitoring it. And when you are at home, you can turn off the CCTV especially in the daytime. Think of the electricity that you can save.