First of all in this global era closed-circuit
television (CCTV) is commonly used in most of the organizations such as
shopping complex, schools, banks, casinos, government building, pedestrian
walk, public parks, parking areas, public transport, railway stations, sport
arenas, residential areas, hotspot (most crime occurred areas) and urban areas.
There are so many types of cameras used in this global compare to last time.
Now days CCTV cameras are more advanced and equipped with latest technology
that can be used as a main source for preventing crime. In addition there are
so many crimes occurring. Most of the cases could not be solved due to lack of
evidence and proof, with the help of CCTV crimes can be easily solved in
short-term time period because when a crime occurs the CCTV cameras can record
and be monitored to identify the suspect. CCTV also can prevent crime from
happening because the criminals will know that they are being watched and any
wrong step could lead them into big problems. It is very difficult to steal or
doing any inappropriate activity that consider as a crime without getting
recorded when there is a CCTV. Even if the criminal still keen to do the crime
he may be get caught at the place or will be caught later by the police with
the help of CCTV. A CCTV camera also protects property and secures the
perimeter. The functions of CCTV in preventing crime are not countable because
different type of CCTV has different types of ability. Example, bullet type of
camera can monitor up to 25 meter range. Not also that CCTV also can be used as
manually by using PTZ controller (Pan Tilt Zoom). The PTZ controller allows us
to turn the camera to left and right and up and down. Using PTZ controller we
also can zoom in and out in case for any situation or to watch people. Advanced
CCTV has the ability to auto detect peoples and it automatically will monitor
their movements. Some cameras also can detect human by using the heat in our
body. This is more than enough to stop a criminal from entering such places and
stopping them from conducting the crime. Lastly, the presence of CCTV also can
make public feel safe in lonely places because then help of CCTV it reduces

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