Ключевые слова: background, balance, blue, business, camera, cameras, cctv, check, circuit, closed, confidential, control, crime, defense, digital, electronic, equipment, follow, guard, guardian, important, industry, lan, lenses, light, look, modern, monitor, monitoring, movements, network, outdoor, pixels, privacy, private, property, protect, protection, record, safe, safety, security, sky, surveillance, system, technology, television, video, vision, warning,