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            There are different types of surveillance cameras night vision camera available today. First are the wired surveillance cameras. This type of camera is used for permanent setups. In other words, it is used to monitor a location wherein the camera wouldn’t need to be changed or relocated. These types of surveillance cameras are usually installed by professionals. Then there are the smallest security camera wireless surveillance cameras which is the exact opposite of the former. It is fairly easy to install and it can be transferred simply from one location to another.

            There are also specialized security system surveillance cameras available in the market. One such camera are the covert surveillance cameras which are hidden inside everyday objects such as wall clocks, centre pieces or even children’s toys. It is useful for those who would want to record and monitor locations without anyone knowing it. Night vision security camera surveillance cameras are also available. These types of cameras are useful for low light areas wherein a normal camera would be unable to function properly. Last there are the fake surveillance cameras security cameras. These cameras are cheap alternatives to the rest. Basically they look like surveillance cameras however they do not function; they are simply used in order to make people think that they are being watched.

            Through the years, technology has innovated what these surveillance cameras can do. Today, they can now be plugged into computers to create complicated commands such as automatically follow anything that moves. It could now also follow a single person in a crowd. Face recognition software is now also available for smallest spy camera surveillance cameras so that it can detect people the user is looking for. Due to its efficacy, these cameras have become very popular appliances for businesses, homes and even public places and areas such as streets and parks. Especially with the heightened security against terrorism, these cameras are in demand. The problem however is that the use of surveillance camera in public places has been subject to debate.

            Some people have begun to complain about surveillance cameras as a tool which violates everyone’s personal right to privacy. Those opposed to the use of  video pen camera surveillance cameras also say that this system only displaces crime instead of preventing them. Of course this has been countered by those who believe in the use of surveillance cameras that it is only used in public places and public safety outweighs the need for privacy; this argument is often backed by the example from the London Underground bombings wherein the use of surveillance cameras were a huge part in the investigation of the terrorist attack.

            Today, due to different technological advancements, video surveillance cameras are better than ever and can now be used with computers for more complex situations. These wireless security camera surveillance cameras are now more efficient tools for their purposes which are:

·         Crime Prevention purposes- video surveillance cameras are invaluable to crime prevention as was the case in the July 7 London Underground bombings where a video surveillance camera was able to capture the suspects image.

·         Traffic Safety- Using video surveillance cameras  wireless camera around road networks will give operators and emergency units to be able to detect traffic congestions and accidents.

·         Industrial Safety- There are industrial processes which need to be observed however causes conditions that are uncomfortable or even deadly to humans. Using surveillance cameras would allow workers to observe the process from a safe distance

·         Home Safety- Today, surveillance cameras  wireless nanny camera are also available to any consumer who would want to protect themselves and their families or possessions.

With the different purposes of surveillance cameras, there is also a need for different types of these cameras in order to accomplish certain purposes.

            Wireless video surveillance camera dvr are some of the most common surveillance tools there is both for home and small offices. They are fairly easy to install, does not require complex wiring and the cameras can be replaced in any position or location since it is not wired.

            The opposite of the former are the wired video surveillance cameras wireless spy camera. These surveillance cameras are used for permanent installations and broadcasts through a wire. This is the ideal camera for a single location which the user does not intend to change. However, installing this type of video camera may need help from a professional.

            Next are the fake video surveillance cameras wireless usb camera. This surveillance camera is as it says, it is a fake camera. It is not a decoration however, but is intended to trick people into thinking that they are being watched. It is an inexpensive option; the downside however is that if anything happens the user does not have any record of it.

            Then there are the hidden or covert video surveillance cameras which can be hidden inside plant pots, toys or everyday household objects or decorations. It is useful for those who do not want anyone to know that they are being watched.

            Last on the list are the night vision video surveillance cameras. These are specialized cameras for dark or dim lighted locations.

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