How to choose the right security
cameras
Security cameras can help provide protection
from burglars and vandals. Mounted outside your home
or business, they can scare criminals off before they
break in or damage your property. Mounted inside, they
can hasten a criminals exit if they have found a way
in. They can also help the police to identify suspects
if you've been burglarized or vandalized. There are
a number of factors to consider when choosing security
cameras.
As mentioned previously, one of the
first factors to consider is where the security cameras
will be mounted. If they are to be mounted in an exposed
outdoor location, then you will need to choose weatherproof
models. In addition, if they will be exposed to temperature
extremes (less than -10 degrees F or greater than +110
degrees F for color cameras, -10 degrees F to +122 degrees
F for black and white cameras), then you will need to
choose models with built-in fans and heaters. Cameras
mounted indoors do not require any special considerations,
unless mounted in an area with temperature extremes
(for example a frozen food locker in a grocery store).
Another decision you will need to make
is whether to choose wired or wireless security cameras.
Wired cameras can transmit their signals over a greater
distance than wireless models. Wireless cameras cost
a bit more in the beginning, but require much less labor
for installation. Wireless cameras can transmit their
signals for about 700 feet with a direct line of site,
and several hundred feet when transmitting through walls
and doors.
Another factor to consider when choosing
security cameras is whether to use color or black and
white cameras. Color cameras provide more overall information
about your subject, such as the color of an automobile
or the color of a person's clothing. On the other hand,
black and white cameras operate on less available power
(important when using battery-operated wireless cameras),
furnish a higher resolution, and provide better low-light
operation. Let's look a little more closely at resolution
and low-light operation.
Resolution is usually specified as
the number of horizontal lines used to "paint"
the image. Typical resolution values are 380 lines for
color security cameras and 420 lines for black and white
models. Low-light ability is usually specified using
the minimum LUX value of the camera. Typical LUX values
are 1 LUX for color cameras and .05 LUX for black and
white cameras. By way of comparison, 1 LUX is about
the amount of light available late in the evening, around
dusk. .1 LUX would be like a well-lit parking lot at
night. And a camera that can "see" down to
.05 LUX can actually see better than the unaided human
eye - enabling some cameras to "see in the dark".
For even better low-light operation,
choose a black and white camera with the optional X-Vision
technology. This technology allows the camera to see
down to .003 LUX - this is almost total darkness. And
for the best of both worlds, choose a model with the
dual-mode day/night capability. This technology uses
color during the daytime and switches to black and white
at night when there is less available light.
It's probably apparent to you that
there are a number of complicated factors involved in
choosing security cameras. This is a good reason to
do business with totalsecuritywarehouse.com. You can
benefit from our expertise gained through years of experience
in this industry. And we have one of the largest selections
of security cameras anywhere.
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