The closed-circuit television or CCTV means the use of the video cameras that transmit a signal to a certain place in a closed loop, with absolutely no access from the outside of the system. A surveillance system is exactly what the name says: oversees. So what can you monitor?

There lots of stuffs that can be monitored with the use of CCTV cameras: business spaces, sites, deposits, safes, offices, caf, staff, traffic, own residence, flat, children’s room, old parking, tourist places , access areas and any place, room or area of interest that require oversight.

Surveillance systems are now more affordable considering the technological advancements and the digital age. Here are some of the different types of video surveillance systems.

- Types cameras depending on location: indoor and outdoor – Interior room types: miniature, hidden, box, bullet, dome, IP – Types outdoor rooms: box, bullet, dome, wireless – Rooms depending on lens types: Wide-angle (large angles) and normal – Room types depending on sensor: CMOS, CCD, color, black & white

How does it function?

Information is registered through the CCTV camera then transmits it to the server. The purpose of the server is to collect and save the data gathered. It can also be used to display them instantly on the screens. The system can also be connected to the internet for portability. DVR’s or commonly known as Stand Alone Digital Video Recorders may be used depending on the needs and the system.

How to realize transmission from the server room?

Method 1: UTP Cable Method 2: coaxial cable Method 3: Wireless Method 4: Fiber Optic

The decision should to be taken depending on the available budget.

Where does it work?

It can be installed inside and outside. CCTV cameras that are used outdoors should be more resilient than cameras that are indoors. Some cameras are may see in the dark through the use of infrared.

You have to clearly establish where cameras are located, what angles will “see” them and the environment in which they are located. What power supply you use? Camera movement is needed? (left right, up, down, near / far, motion sensor, manual or automatic) What is the distance? All these questions needs to be answered at the time you decide to install a CCTV system.

IP based systems have 32 bit numbers that is unique and perfectly works with CCTV cameras in networked systems. The cameras will be networked so that it can be view globally. This can be done due to the unique IP addresses being provided.

The CCTV cameras are electronically operated and this is the reason they offer a very high quality of the image and all the data is digitally saved on the hard disk. Therefore, there will be no danger of dilapidation of the feature of the image, like it might occur with the analog equipment. The method the user needs to search the images is very sophisticated and it does not look like the analog systems. All the CCTV system is motivated by software and hence you can be able to manipulate a certain moment that interests you right away. You will not need to rewind or fast forward a tape anymore for finding the information that you require.

One of the most important advantages of the CCTV IP cameras is the ability of viewing the images practically anywhere in the world. This will offer you the needed peace of mind at the time you are away from your home. You can check up the house anytime you want with just some simple clicks.

The CCTV is the future technology that will be most certainly used on a greater scale on the years to come. It is more and more gaining recognition worldwide and there are even big cities that implemented it for the best surveillance of all the areas (London for example). The CCTV camera is a concept that will be very easy expandable in the future and all the security manufacturers will consider it for the next projects. Having a CCTV system installed at your home might be a very good investment, because it will definitely protect your home and the people you love by all potential dangers that might appear when you have no security system installed.

A hidden camera presents important choices in reaching covert surveillance. Hidden cameras are popular tool and will continue to be a top choice.