Ключевые слова: alarm, background, cable, cam, camera, cctv, circuit, communication, control, device, digital, electric, electronic, equipment, guard, home, infrared, internet, ip, lens, look, mobile, monitor, monitoring, network, observe, observer, privacy, private, protect, protection, record, risk, safety, secure, security, sensor, spy, stealth, surveillance, suspicious, system, technology, television, video, watch, web, webcam, white, wireless,