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Essential Information You Have to Know Prior to Buying CCTV Cameras

CCTV or Closed Circuit Television cameras are essential tools installed in a particular area for monitoring. There are modern CCTV systems that comprise several parts used simultaneously for proper monitoring and detection, including DVR, cameras, hard disk drive, cables, monitor and power supply. Each of them play specific functions and you need to know each of them before buying your own system.

Digital Video Recorder (DVR) is regarded as the heart of the CCTV system. Available in several kinds, it records, plays back and controls your cameras. Here are the common DVRs that you can choose from.

The Full D1 is a type of DVR with the highest resolution to deliver among the many forms that you can find. Once you combine this with high specs CCTV cameras, you will certainly have the best CCTV system. It is frequently used for industrial purposes with strict security and settings where facial identification is vital. This one costs more than other types of DVRs, but the difference in picture with its counterparts is very negligible.

The Half D1 Half CIF is already acceptable for small businesses or for environment that is not so strict. These days, this is the most commonly used DVR because it is extremely affordable and offers high quality pictures. The name implies that only half of the number of installed cameras in the DVR can reach the maximum resolution while the other half can merely manage to provide a lower resolution than the others. This is frequently chosen because of its less expensive price while still producing high quality images.

The CIF is another type of DVR but the downside is that it produces the lowest quality among them all. This is already acceptable to some people, particularly to those who do not even notice the difference between various types. However, those who have background knowledge on CCTV systems or those who have very clear eyesight will certainly not prefer this kind. It does not generate high quality pictures, considering the price, so it is the most rarely used. Moreover, it is the oldest model as well of all the available DVRs in the market today.

Due to the availability of modern types of DVRs, recordings and play backs can already be extended to months instead of only days. The equipment can be connected to the internet as well for easy access to your CCTV cameras even in distant places or from another location using your computer or mobile phones. Such convenient features can help people in appropriately running their business though they are not actually in the premises. The more sophisticated systems even consist of motion detection, power loss alarm, video loss alarm, manual and scheduled recording, and other options for additional protection and security.

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