Ключевые слова: background, building, cam, camera, cctv, closeup, control, crime, digital, electric, electricity, electronic, equipment, guard, heat, home, house, industry, lens, modern, monitor, monitoring, object, observation, outdoor, power, privacy, private, protect, protection, protectsecurity, record, room, safety, secure, security, spy, surveillance, system, technology, thermostat, video, view, wall, watch, watching,