Ключевые слова: alarm, alertness, audio, baby, background, blue, camera, care, cctv, child, childhood, circuit, color, control, crime, danger, detector, device, digital, electronic, equipment, guard, infant, kid, lens, modern, monitor, monitoring, nanny, object, observe, parent, portable, protect, puzzle, remote, safety, security, space, surveillance, system, technology, toy, unit, video, wireless,