
On each landing, opposite the lift shaft, the poster with the enormous face gazed from the wall. It was one of those pictures which are so contrived that the eyes follow you about when you move. BIG BROTHER IS WATCHING YOU, the caption read” 3. Thus, the concept of constant surveillance is presented at the very beginning the book. According to the American Civil Liberties Organization, ACLU, the government in this
country is an increasing threat to peoples’ privacy from growing surveillance technological advantage which is said by them to be justified in order to ensure national security. Governmental agencies such as the National Security Agency, the Federal Bureau of Investigation, the Department of Homeland Security, and state and local law enforcement agencies are known to intrude upon the
private telecommunications of innocent inhabitants, collect a huge amount of data regarding who people call, and create data bases of what they consider suspicious activities, based on the unclear criteria.
You can usually
tweak the camera's motion sensitivity to prevent false alarms due to pet activity or passing cars if the camera is near a window, and you can create a schedule that turns the sensors on and off during certain hours of the day.

These are safeguards
that will help to warn people that there is a possible fire, prompting them to call the fire department or authorities for help. DetectorsBut more importantly, it is not the alarms but how they are triggered. For burglar alarms, homeowners can also ask their
contractors to wire their house in such a way that when the wires are tripped or cut in any way, the alarm will go off. However, it is more typical to see motion detectors now since technology has improved alarm systems. These motion detectors act much like wires but they use infrared beams instead of wires. Once these beams are crossed or disturbed in any way by some object, the alarms will go off. Motion detectors are not to be used in a house that is full of pets. Detectors are a great gadget because they can also be connected wirelessly to other components like wireless cameras and computers. LocksContractors know that every house needs good locks. These home security system products for contractors are great to offer homeowners. Electronic locks are becoming more commonplace in areas around the world where house break ins are just as common.