Ключевые слова: alarm, background, big, bigbrother, brother, cable, camera, ccd, cctv, circuit, cmos, control, deterrent, electronic, equipment, guard, home, infrared, ir, isolated, lens, monitoring, nightvision, observe, observer, observing, outdoor, privacy, private, property, protect, record, risk, safety, secure, security, sensor, spy, stealth, supervise, surveillance, suspicious, system, technology, television, theft, video, white, wireless,