Significant Information You Ought to Know Ahead of Buying CCTV Cameras
CCTV or Closed Circuit Television cameras are important tools installed in a certain 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 particular functions and you ought to know each of them ahead buying your own system.
Digital Video Recorder (DVR) is regarded as the heart of the CCTV system. Available in various forms, it records, plays back and controls your cameras. Here are the common DVRs that you can pick from.
The Full D1 is a form of DVR with the highest resolution to provide among the many kinds that you can find. If you combine this with high specs CCTV cameras, you will definitely have the best CCTV system. It is commonly used for industrial purposes with tight security and settings where facial identification is vital. This one costs a lot higher than other types of DVRs, but the difference in picture with its counterparts is very minimal.
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 indicates that just half of the number of installed cameras in the DVR can reach the maximum resolution while the other half can only manage to provide a lower resolution than the others. This is often selected because of its less expensive price while still generating high quality images.
The CIF is an additional type of DVR but the disadvantage is that it produces the lowest quality among them all. This is already acceptable to some people, especially to those who do not even notice the difference between several 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 provide high quality pictures, knowing the price, so it is the most seldom 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 also be connected to the internet for easy access to your CCTV cameras even in remote places or from another location using your computer or mobile phones. Such convenient features can help people in properly running their business even if they are not actually in the premises. The more sophisticated systems even include motion detection, power loss alarm, video loss alarm, manual and scheduled recording, and other options for added protection and security.
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