Security cameras are video cameras that transfer signals to
specific set of monitors. The signals are not openly transmitted like broad
band television. The basic use of a security camera (Sicherheitskameras
in German) is to keep a tab on things. With the crime rate rising, safety is
the utmost concern for any individual. A security camera plays an important
role in deterring crime to an extent.
There are a few things one should keep in mind before
purchasing a security gadget.
1. Contemplate your requirements.
It is important to buy a security camera according to the
place and the duration of surveillance required. There are different types of
cameras available for commercial and domestic premises.
2. Resolution of the camera
It also depends on the location where you want to install
the camera. A 500 TV line camera has the best resolution.
3. Technology
There are two types of technology used in such cameras. A
charge couple device (CCD) is a better one than CMOS which is used in small and
inexpensive cameras.
4. Lens
Monofocal lens has a fixed local length where as varifocal
lens can alter focal length as and when needed.
5. Battery backup
It is vital to consider about the backup option in case of
interruptible power supply.
6. Outdoor camera
If you plan to
install your cameras outside it is better to opt for wireless cameras as they
are weather resistant and work well even at night.
7. Sound
It is necessary to
check the camera as to if it generates sounds or not.
8 Price factor
With the increasing awareness and technology in
security cameras, they are easily available in markets or at detective agencies
(Detektivbüro in German) at
affordable prices.
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