What is CCTV Surveillance System?
CCTV is abbreviation for Closed-Circuit Television, regarded as surveillance with the use of video broadcast of captured images and sounds sent within a network of limited number of monitors.
What is CCTV and how does it work?
Cameras are installed to record video of images and sound from specific areas and then transmit the video recording to a limited number of monitors that display the video recordings to those who have access to the CCTV.
Who invented CCTV?
Walter Bruch, a German Engineer,in 1942 designed and set up the first CCTV technology to monitor the world’s first set of long-range guided ballistic missiles, V-2 rockets, before it became adopted for general commercial use in 1949.
What is the main purpose of CCTV?
Closed circuit television,CCTV, which started off for monitoring misiles, is now used largely for security surveillance of lives and properties to avert crimes generally and monitor production processes in areas that have controlled human access.
Is CCTV a threat to privacy?
Yes, especially when the one being spied on is not aware and can’t easily get access to the recordings under the data protection law.
So there are truly people with genuine concern that the number of surveillance camera of CCTV keeps growing and it makes people feel that their personal liberty to move around is threatened.
For example, there are instances where a neighbour may set CCTV to monitor other’s property so that conversations and images from other people’s privacy are being secretly recorded without their permission or access to the recordings.
Complaints like this have compelled countries to change their laws to make it compulsory for notice to be on display where there are CCTV, the data controller must be registered,among many other conditions under data protection laws.
What are the pros and cons of security cameras?
What are the advantages and disadvantages of using CCTV cameras?
Pros in favour of CCTV are;
Advantages of CCTV
– its presence help deter people from crime since they are aware that the sound and images at the potential crime spot is being transmitted to a set of monitor accessible to law enforcement personnel.
– it is now more affordable so price is not so much a barrier for people to get and install their CCTV especially for domestic use in households.
– they are not bogus or complex to install.
The cons of CCTV are:
Disadvantage of CCTV
-there are genuine privacy concerns especially when the controller of the data can not be easily established and where requests are made for the recordings, there are legal hurdles in the way.
-fear that the recordings may have been tampered with.
– can be very complex and demanding to manage for large facilities and asset installations with so much activities going on daily yet maintain perimeter security in these medium- to high-secure areas and installations.
– the moment the warning is sighted by people suffering from scopophobia, it sets them into a frenzy of panic attacks.
Why is CCTV needed?
It is a form of advance warning to any one intending to commit crime to be aware that images and sounds at the scene is being recorded and can be used for investigation and subsequent arrest and prosecution of those who commit the crime.
Therefore,the use of surveillance cameras can also help protect against crimes that range from theft, kidnap, rape to vandalism and many others because the police can quickly move in to neutralise perpetrators of crime caught in the act on CCTV.
The CCTV is required for monitoring events at settings where robots are performing production operations so that there is less human interference with the process to reduce errors or sometimes, to eliminate contamination.
In some instances, insurance companies may demand the installation of CCTV cameras for a higher level of security of a property before it can undertake to insure the properties.
Can you use CCTV in a disciplinary?
Yes, footages of CCTV camera can be presented as evidence at disciplinary committee hearings.
The information provided in the footages have formed the basis of acquittal or indictment of those accused of wrong doing.
What is the law on CCTV?
The specific legislation which deals with surveillance devices such as CCTV cameras come under Surveillance/ Data Protection Laws.
In most countries,such laws recommends that you let others know there is a CCTV in place and forbids a person to install a CCTV camera on somebody else’s property without the consent of the owner of that property.
What can I do if my neighbor is recording me?
If your number is recording images and sounds from your property without your permission, it is better to inform the police and demand for the recordings.
You may need the services of a private lawyer in the event you want to use for damages or huge compensation for the discomfort such illegal actions may have caused you.
Where should CCTV be placed for Home Security?
It is often recommended that you install CCTV Cameras at the points a potential thief will consider best as point to gain illegal entry into your property.
Also, make your camera high enough so it beyond the reach of a burglar.
Does Security Cameras add value to your home?
Although , it may initially suggest to you that there is likely high crime rate concerns in the vicinity for the owner to have multiple surveillance videos installed but you may rather buy a house with CCTV installation than the one without a CCTV especially if both options of houses are within same area.
So when you have it wired permanently in your home, it actually raises the value of your property to potential buyers.
What do I need for CCTV system?
For a full new Analogue CCTV install, you will need the following items:
A Digital Video Recorder (DVR),
Analogue camera(s)Hard drive,
CCTV monitor screen or smart TV to watch the recordings,
Cables- one per camera,
Cable clips,
Screws,
Power supply,
Power splitter.
What are the features of CCTV?
There are 5 important features you must look for before buying a Security Camera.
These are
1. Resolution.
Your choice of CCTV camera must have a high resolution so you can clearly see images captured on CCTV footages.
2.Access.
Go for CCTV cameras you can access its recordings remotely.
3.Day and Night Recording.
If you will be recording on a 24-hour cycle,buy cameras that can capture clear images even when the amount of light is low, especially at night.
4. Power Backup.
The camera should have a back up power source so that it is able to continue working even after its main power supply is out of power. The higher the power capacity of the backup power source the longer hours it can record after power outages.
5. Recording storage
This gives you an idea of the capacity of footages it can store. Where you have so much data to store, go for a CCTV camera with large recording storage capacity.
Other features you can consider aside these above are the ruggedness of the camera, added benefits, user-friendly app experience and easy to understand settings.
What are the two common categories of CCTV?
There are two common types of cameras in use today: Analog video camera which require local recording device and Internet Protocol-based cameras that receives control data and sends image data even on realtime via an internet protocol(IP) network without the need for a local recording device.
What are the types of CCTV?
9 of the most popular types of CCTV cameras are:
Dome CCTV Cameras,
Bullet CCTV Cameras,
C-Mount CCTV Cameras,
Day/Night CCTV Cameras,
Infrared/night vision CCTV Cameras,
Network/IP CCTV Cameras,
Wireless CCTV Cameras,
PTZ Pan Tilt & Zoom Cameras.
Can wireless security cameras work without Internet?
Yes, CCTV does work without internet and Internet network service required only when a person with access to the CCTV needs to access their camera recordings remotely.
Does CCTV work without light?
CCTV requires electricity to power it up to recieve images and sounds and transmit it to its monitors.
Without the main power supply or a working backup power supply, your CCTV will not work. To avoid a shutdown of the CCTV, they now come with a backup battery and onboard storage so that they can still work to record videos for a time after their main power source has gone out of power.
Typically, the recording time and power for such devices is limited due to the limits of the power ratings of the backup batteries.
How many days can CCTV record?
Though most CCTV can record and store continuous recordings for between 30 and 90 days, the 90 day storage is the most popular for many organisations.
Does all CCTV record?
Yes but to the question:
Do Security Cameras Record All the Time?
It is determined by personal settings.
On this basis, you can have;
-schedule recording which you can use record videos based on your own settings.
-motion detection recording which are more of security cameras used to record only when there are motion events.
How far can a Security camera see?
It depends on the type of CCTV camera you have and the purpose for which it is required.
For example,a home security camera can see in a range between 0 to 70 feet depending on the resolution, sensor and lens it’s using whereas professional cameras such as high-resolution PTZs that can see further away from 0 to 700 feet.
Why Is CCTV a bad thing?
The use of unauthorised recordings from CCTV itself is a great concern so where people are spying on others in order to cause their subjects harm makes the use of CCTV a bad thing.
There are also global concerns that some autocratic leaders use it to spy on their opponents or citizens with the aim of limiting their rights to freedom of speech, movement and association.
The CCTV does not provide 100% coverage for crime prevention and some criminals now can gauge the area covered by the camera lens and choose to commit crimes in the ‘blind spot’ of the CCTV camera.
How do criminals escape a CCTV camera?
They position an infrared flash light or a laser pointer to precisely shine its light directly into the lens and hold steady for a long time to block the CCTV camera or damage it.
Is wireless CCTV better than wired?
Wireless cameras are easier to install compared to the hardwork and expertise required for permanently wired CCTV cameras installation.
The easiest of all wireless options is completely a wire-free battery-powered camera.
Can CCTV cameras see in the dark?
Cameras on their own need lights or heat reflections from close by objects before they can work.
So for night operations, most most CCTV cameras require infrared light or complementary powerful light to act like flash at night so the CCTV camera can capture images in the dark.
Can a CCTV be hacked?
Most cameras can be hacked and this gives unauthorized access to the footages remotely or hijacking it’s control completely.
How much electricity does a CCTV camera use?
The power rating of most CCTV cameras varies from 2 watt to 15 watt depending on the features. For example,power consumption of security cameras with special features like IR illumination night vision and pan-tilt is greater than that required for the operation of conventional CCTV / IP security cameras.
Which is better CCTV or alarm?
Most security experts recommend that you install both as they have different but complementary advantages. Although CCTV is more expensive and gives you more protection of all round home security solution than a burglar alarm.
Does CCTV footage get deleted?
Yes , if the hard drive become full and not replaced, old footages are automatically deleted and replaced with new footages.
How do I know if my CCTV has a mic?
For the security cameras that have audio or sound recording, generally there is a small hole (microphone) in the camera housing for sound pickup.
If you are yet to install the CCTV camera, you can try record few minutes, download the video clip and play back the recorded footage to see if your security cameras do have audio.
Is CCTV worth having?
Yes, it is better to have CCTV installed than not having it especially when and where there are genuine reasons to believe that crime will be committed at certain period.
The CCTV footage will therefore help to identify criminals or offenders and be used as exhibits or evidence in criminal investigations.
What are the countries that most use CCTV?
Most citizens of countries are worried by expanding numbers of CCTV cameras being used especially by their governments because they want to control their citizens, hence they feel their privacy is being violated.
However, 3 countries lead the word in terms of their number of installed surveillance cameras.
According to experts at PreciseSecurity, China, the United States, and Germany are the countries with the largest number of CCTV cameras in the world. China has four times more surveillance cameras installed in its territory than the United States although USA leads China in terms of CCTV camera per capita due to the large population of China.
Notably, 8 out of the top 10 cities in the world with the largest number of CCTV cameras installed are located in China while London( UK) and New Delhi(India) are the only two non-chinese cities among the top 10 cities with the highest number of CCTV cameras in the world.
Which is best Home Security cameras?
Most of the best CCTV cameras for the home are IP- surveillance cameras because of the advantage that their recordings can be accessed remotely. They include;
Mi 360° 1080p Full HD WiFi Smart Security Camera,
TP-Link Tapo C200 Smart Cam Pan Tilt Home WiFi Camera,
Yi 87001 Home Camera Wireless IP Security Surveillance System,
TP-Link Tapo C100 1080p Full HD Indoor WiFi Security Camera,
Blurams Home Pro Security Camera,
Sricam SP Series Wireless HD IP WiFi CCTV.
What are the Best Outdoor Security Cameras?
Arlo Go Security Camera.
720pBlink Outdoor
1080pTP-Link Kasa Cam Outdoor KC200
1080pNest Cam IQ Outdoor
Arlo Ultra 4K UHD wire-free Security Camera System
Ezviz C3N
Neos SmartCam
Swann 1080p Smart Security Camera
Ring Stick Up Cam
Where can you buy Security Cameras online?
Makro Security,
IndiaMart
What’s the difference between surveillance cameras and security cameras?
Security cameras, CCTV cameras, are used to send signals from one particular place to specific monitor(s) situated at a location away from where the camera is installed, whereas surveillance cameras, known as automatic number plate recognition system, normally work on IP networks with camera that has an infra red sensor and captures the plate number image which it sends to the Raspberry Pi for storage and processing to extract the numbers from the captured images so that the captured plate numbers can be viewed remotely on a web page via an IP address.
How many types of CCTV DVRs are there?
There are 3 Types of Digital Video Recorders( DVR) Systems for Recording Security Footage. They are used to continuously record and archive recorded CCTV footage.
Are all CCTV cables the same?
Not all camera cables and connectors are the same.
There are three types of cables and connectors that are common in CCTV systems, mostly identified by their abbreviations :
1.Bayonet-Neil-Concelman(BNC) in Dutch,
2.Deutsches Institut für Normung(DIN),
3.Radio Corporation of America(RCA).
How many types of CCTV cables are there?
There are three types of CCTV cables, coaxial , Ethernet and Fibre optic.
What are the cables used for security cameras called?
The two types of cables used for the installation of Security Cameras and Digital Video Recorders (DVRs) are Plug and Play Cables (PnP) and RG59 Coax Siamese cable.
How many GB does a CCTV camera consume per day?
It depends on too many factors and so can vary and difficult to come up with an exact figure.
Factors such as number of cameras, compression, resolution, etc count. For example , 1080P recorder with 4 cameras needs about 200GB / day but with the new standard of H. 265 compression , it should reduce this to about 100GB/day.
Can CCTV be used to spy on staff?
Yes. It is necessary for employees to be aware that there is a CCTV surveillance camera monitoring their activities it does not intrude into their privacy and they are fully aware of their rights under the surveillance/ data protection law so recordings from CCTV cameras are not used for purposes outside the conditions permitted under the labour laws and data protection laws.
Can CCTV be used as evidence?
Yes. CCTV footages where available and relevant to a case in court can be used as evidence to prove someone accused of wrong doing was truly in a certain place or actually committed the wrong doing
How can I install Indoor at home?
Installation of CCTV camera especially in areas of high security requires the services of experts but if you have the simplest of wireless cctv cameras, you can watch a few videos online, consult the product installation manual, get a few tools and do it yourself.
Should security cameras be visible?
It depends on the object for installing the camera.
For example, if it is to act as a deterrent for crime in pubic spaces,visible surveillance cameras may be better than hidden surveillance cameras.
Who needs a CCTV Licence?
For professional installation services of CCTV cameras.
You need a Security Industry Authority (SIA) licence if you undertake the licensable activities of a public space surveillance (CCTV) operative and your services are supplied for the purposes of or in connection with any contract to a consumer.
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