The role of CCTV in investigating for various criminal incidents is becoming increasingly important. Awareness about this is increasing among the common people. Many now choose CCTV to ensure the safety of their home or office.
How the CCTV Camera Works ?
Most CCTVs or closed circuit TV camera used for home security are solid-state electronic devices connected to a central recorder. So it broadcasts in a specific location and is often called a closed circuit camera. The main components of the camera include lenses, sensors, and DSP or digital signal processors. The function of the lens is to focus on the light that captures the sensor image and transfer it from the sensor to the DSP. The DSP converts it as a TV signal. The signal is then transmitted to a central location for storage or inspection by radio or radio.
Different types of CCTV cameras
Bullet cameras are designed for indoor use but sometimes these bullet cameras are also used in outdoor. Wall or ceiling mount bullet cameras do not have any pan / tilt or zoom control. Bullet camera record images of a certain area.
Dome cameras are not hidden but they are very small in size. Dome cameras are specially named from their dome-shaped housing. It is almost impossible to understand which direction the dome camera points to.
Outdoor security cameras have special housing to protect water, insects, dust and other harmful things.
Whatever the lighting conditions, Night vision cameras provide 24 hours of outdoor coverage. They are rendered with a specific color image during the day and converted to white for the infrared view at night. Depending on the user's intentions and needs, what type of camera he or she will use. Choosing a camera is very easy to determine the needs.
Select the correct CCTV camera
The first thing to consider when purchasing the right camera is the lens. The lens provides a clear image to the user. The second is the sensor. The buyer should purchase a 1/4 inch CCD sensor as it provides most of the information to the DSP for processing. The last feature is the camera output resolution. Its usefulness depends on the first two features. In the second phase after determining the affordability of the hardware, the buyer will have to determine which camera is compatible with his / her needs. For example, a homeowner can use a day / night camera to cover a wide outdoor area. Bullet camera for monitoring staff, dom camera for shop or business.
What is the lowest price of CC camera in Bangladesh ?
The lowest price is 1200 Taka but it depends on the cc camera model and specifications.