Ключевые слова: alarm, background, blur, building, business, camera, cctv, cctv cameras, city, closeup, control, crime, detection, digital, electronic, equipment, guard, home, house, industry, lens, look, modern, monitor, monitoring, observe, outdoor, police, privacy, private, property, protect, protection, record, safe, safety, secrecy, secure, security, spy, surveillance, system, technology, urban, video, view, watch,