Closed-circuit television (CCTV), is also known as video surveillance.

Types of CCTV Cameras

Dome CCTV Camera

The Dome CCTV camera is most commonly used for indoor security and surveillance applications.

Bullet CCTV Camera

Bullet CCTV cameras have a long, slender shape and cylindrical shape similar to “rifle bullets”, which are often used in applications that require long-range viewing. The camera is not usually designed for tilt / zoom pan / control, but to capture images from a certain location, pointing to a particular area.

C-Mount CCTV Camera

C-mount CCTV cameras made it possible to use special lenses, which can travel more than 40 feet.

Day/Night CCTV Camera

Day / night CCTV cameras have the distinct advantage of operating in both normal and poor environments. These cameras do not have infrared illuminators because they can capture clear video images in different lighting conditions and in the dark

Infrared/Night Vision CCTV Camera

These night-vision CCTV cameras have the ability to view images in pitch black conditions using infrared LEDs and are ideal for outdoor situations where the light is below zero.

Network/IP CCTV Camera

These cameras, both hardwired and wireless, broadcast images over the Internet, often compressing the bandwidth so that it does not go on the web.

Wireless CCTV Camera

Not all wireless cameras are based on IP. Some wireless cameras may use alternative methods of wireless transmission.

High-Definition HD CCTV Camera

Ultra high-definition cameras are often brought back to niche markets, such as casinos and banks. These give operators the ability to zoom in with extreme clarity (to see a poker player who may have an ace up their sleeve).

The important place for use CCTV are written below.

2.Shops and multiplexes
4.City Roads and Highways
5.Building and Residential Apartments
6.Corporate Houses
7.Government Offices and Buildings
8.Airports and Railway Stations
9.Industrial plants etc.

Uses of CCTV

1.Crime prevention
2.Crime solving –
3.Body worn –
4.Traffic flow monitoring
5.Vehicle traffic
6.Pedestrian traffic
7.Increasing safety and security in public transport
8.Sporting events
9.Employee monitoring
10.Use in schools
11.Use in private homes
12.Criminal use

Basic Components of CCTV

1.Security Cameras (Analog or Digital) –
2.Video Recorders (DVR or NVR) –
3.Cables (RJ45 or RJ59 Cables) –
4.Display Unit (optional, usually a monitor) –
5.Storage Unit (usually a Hard Disk) –

Benefits of CCTV

  1. CCTV system is a major obstacle for thieves. Once the thief finds out that he is under CCTV surveillance, he would prefer to go elsewhere.
  2. It reduces the fear of crime
    3.CCTV allows remote monitoring
  3. It increases business efficiency and improves profitability
  4. CCTV can be used as the best option for home security
  5. It also increases the risk for shoppers
  6. CCTV footage provides valuable assistance to the police in the investigation of crimes.

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