Ключевые слова: alarm, background, brother, business, cam, camera, cctv, control, crime, danger, electronic, equipment, gear, guard, home, house, image, industry, instrument, isolated, lens, look, modern, monitor, monitoring, observation, observe, outdoor, privacy, private, property, protect, protection, record, recording, safe, safety, secrecy, secure, security, surveillance, system, technology, television, video, view, wall, watch, white,