CCTV has become a permanent staple of high streets and an incredibly useful tool for many businesses too. This is everything that you’ve ever wanted to know about CCTV.
What does the acronym mean?
CCTV stands for Closed-Circuit Television. The circuit is closed because the signal is only being transmitted to specific monitors.
Who came up with the idea for CCTV?
It was invented during World War II by Walter Bruch in Germany. The original purpose of CCTV was to monitor V-2 rockets. It was only after the war that it was adapted for non-military, commercial use.
How does CCTV work?
Cameras are positioned in specific locations to record video images. That video is transmitted back to monitors that are accessible by only a specific number of people.
Is it legal to use CCTV?
Yes. There are specific requirements that need to be followed in order to ensure legal compliance. For example, any business that requires CCTV must also tell people that they are being recorded.
Why might CCTV be necessary?
CCTV is an essential security tool. It enables surveillance and monitoring of a specific area. There could be many different uses for this, from keeping an eye on who is coming and going from a building to investigating or preventing crime.
Who needs a licence for CCTV?
Operatives (or those who supply operatives under a contract for services) who are using closed circuit television either to identify someone specific or to monitor the public.
How do you get a CCTV licence?
CCTV licences are available from the Security Industry Authority and cost £220.
What are the benefits of CCTV?
- Acting as a deterrent to criminal activity
- Reducing costs by helping to prevent burglary
- Enabling employee monitoring
- Keeping people safe e.g. those working with dangerous machinery
- A way of providing evidence of actions
Is CCTV the same as IP cameras?
No. CCTV sends signals via a cable connected to a DVR. IP cameras are digital cameras that send and receive their data via a computer network.
Does a CCTV camera require a power supply?
Yes, every CCTV camera will need to be connected to a power supply to continue to work.
How long do companies have to keep CCTV that they record?
Currently, the police recommend companies hold on to CCTV footage for 31 days before deleting it.
Is it necessary to have a CCTV sign?
Private properties don’t need to have a sign if the CCTV has been installed to protect the home from burglary. However, commercial properties must have the right sign if people are being recorded on CCTV.
Is it possible to record audio via CCTV?
Most CCTV cameras won’t record any audio although some do.
How much electricity do CCTV cameras tend to use?
Security cameras use an average of 4 to 6 watts a day.
Is it possible to use CCTV in a disciplinary action against an employee?
Yes. It can provide useful evidence in this context.
How do you choose a CCTV camera?
You’ll need to look at factors such as where the camera is going to be positioned, what area it needs to cover, the lighting available as well as the types of camera that suit your budget.
Find out more about what you need to know about your CCTV requirements by getting in touch today.