Ключевые слова: alarm, background, camera, cctv, control, copy, decoration, digital, electronic, equipment, guard, home, house, indoor, industry, inside, interior, len, look, modern, monitor, observe, one, privacy, private, property, protect, protection, record, roof, room, safety, secure, security, shop, space, spy, surveillance, survey, system, technology, urban, video, view, wall, watch, white, wireless technology,