CCTV home security systems have been extremely popular due to its versatility in functions which is reliable and very affordable solution among several homeowners. There are several functionalities of these cameras such as the ability to capture footage upon motion detection, capture footage in absolute darkness with LED Infrared sensor, the ability to pan and zoom, toggle etc. These cameras are broadly classified as outdoor cameras and indoor cameras. Both these types of cameras are designed to capture footage in pre-designed conditions, for example, outdoor cameras are used to capture footage in extreme environments such as extreme sunlight, rain, snow etc. Check out few models here.