A properly installed CCTV system can dramatically reduce crime levels

CCTV has been a common fixture in shops, pubs, car parks and other public places for years. Now, thanks to easier installation and falling prices, it’s becoming an increasingly popular choice for security-conscious homeowners. However, it’s not for everyone – only 5% of the 1,292 Which? members surveyed in 2013 have home CCTV.

CCTV is just one line of defence against crime and works best when combined with other measures, such as a burglar alarm, door and window locks, gravel around your property and security lights.

CCTV camera resolution is measured in lines – the higher this is, the sharper the image will be.

The image quality of a camera is also linked to the size and type of chip is uses. Generally speaking, smaller CMOS chips are lower quality than larger CCD ones, such as 1/4″ and 1/3″.

The system delivers faster police or security response to an actual crime because the human operators filter out false alarms.

CCTV is the best deterrent for burglars

Cameras with tiny chips also tend to be able to pick up less light, and therefore produce lower quality images in low light conditions. The light sensitively is measured in lux, which can range from 130,000 to 0.001 lux – the lower the lux the better the camera will record when there isn’t a lot of light.

High-quality images, meaning sufficiently clear for someone to be identified, are needed if CCTV footage is to be used as evidence. However, for the best detail a high resolution is required – this tends to make the camera more expensive and can take up a lot of storage space.

CCTV systems come in all shapes and sizes, from one CCTV camera connected to a monitor to a multiple camera system with active monitoring.

We can also provide upgrades for your current system is you require.