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