Ключевые слова: alarm, background, black, building, bullet, camera, cctv, circuit, control, crime, device, digital, electric, electronic, equipment, exterior, guard, industry, infrared, isolated, lens, looking, modern, monitor, monitoring, network, observe, outdoor, privacy, private, protect, protection, record, risk, safety, security, security camera, sky, spy, surveillance, system, technology, television, urban, video, view, watch, watching, white,