Ключевые слова: alarm, business, cam, camera, cctv, ceiling, collection, control, data, different, digital, electronic, equipment, guard, home, house, information, inspection, media, memory, modern, monitor, monitored, monitoring, multimedia, object, observation, observe, optical, outdoor, privacy, private, property, protect, protection, realistic, recording, safety, security, set, sign, spy, surveillance, system, technology, video, vision, watch, white, zone,