Ключевые слова: alarm, background, big, bokeh, brother, building, camera, cctv, city, concept, control, copy, crime, defocused, digital, electronic, electronics, equipment, eye, guard, home, lens, light, look, monitoring, observe, privacy, private, property, protect, protection, record, red, safe, safety, secure, security, space, spy, spying, surveillance, system, technology, television, thief, video, view, vision, wall, watch,