The surveillance system computerized visual surveillance has excellent motion detection, video capture to sort, video playback, sound alarms, email alarms eg to cell phone, password protected, runs hidden, arm delay, calibration Visual detection, detailed alarm status, scheduled and preset configurations, standard AVI files, MPEG compression, for example, automatic management of disk file, multi upgrade path camera, multi versions webcam available.Installed in homes, shops, and factories around the world.