Abstract: Electronic anti-intrusion warning and protection system for isolated houses, apartment blocks and business premises generally, comprising one or more electronic units, remote transmitting (50), supplied with microtelecameras (51), placed in the internal (10) and external (40) areas to be guarded, whether associated or not to various services such as street lamps (41), light bulbs, street buzzer panels, and a receiving electronic unit (20) connected to the screen of a television set or of a computer or to a video recorder and the like, each remote unit (50) automatically transmitting the image (58) of a person (57), who passes within the range of operation of the telecamera (51), to the local unit (20) that transfers it to the screens or to a video cassette of the video recorder where the images that may be present on the screens or that are being recorded, are replaced by the image of said person, said apparatuses being turned on for the purpose if turned off at the time of need.