Surveillance Camera Technology

For the past few years, popularity of video surveillance cameras has rapidly increased. With the advancement in technology and lowering of prices, the use of spy cameras has surged.

Video security cameras are of great help in designing a security system against criminals. You can find these cameras being used at different places. You can find them in school buses and schools to monitor activities of students. They are also used in public gathering places, retail establishments, traffic reporting and many more places. Parents who are concerned about their children's care from caretakers use small hidden cameras known as nanny cams. You can find hidden cameras in clocks, smoke detectors, and soft toys such as a teddy bear at many places.

There is a variety of video security cameras available in the markets these days. These security cameras differ in type and style. Hidden cameras, dome cameras, smoke detecting cameras, and "smart" motion detecting cameras are a few different types of surveillance cameras.

We can classify video surveillance cameras according to the technology that is used in their design. For example, CCTV video security cameras have a complete closed circuit with all the components connected together. The advanced digital cameras are also connected by a circuit. However, they can be located anywhere around the world. Security DVRs are also known as digital security recorders. No VCRs or other recording equipment are required with DVRs for recording on-site activities. The software with DVRs automatically records any unusual activity even in odd hours of the day.

Video surveillance cameras are also differentiated according to their effectiveness. For example, you can capture images anywhere on a site with a 360-degree revolving dome camera. Infrared remote viewing cameras are most commonly used by government agencies for tailing tracking suspects. They are also used in police helicopters for searching suspects hidden in bushy areas.