Significant Information You Ought to Know Ahead of Buying CCTV Cameras
CCTV or Closed Circuit Television cameras are necessary tools installed in a specific area for monitoring. There are modern CCTV systems that consist of several parts used simultaneously for proper monitoring and detection, like 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. When you combine this with high specs CCTV cameras, you will absolutely have the best CCTV system. It is generally used for industrial purposes with rigid security and settings where facial identification is vital. This one costs way higher than other types of DVRs, but the difference in picture with its counterparts is extremely minimal.
The Half D1 Half CIF is acceptable already for small businesses or for environment that is not so rigid. Nowadays, this is the most commonly used DVR as 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 usually preferred because of its cheaper price while still producing high quality images.
The CIF is one more type of DVR but the problem is that it produces the lowest quality among them all. This is already acceptable to some people, specifically to those who do not even notice the difference between several kinds. However, those who have background knowledge on CCTV systems or those who have very clear eyesight will definitely not pick this kind. It does not provide high quality pictures, knowing the price, so it is the most seldom used. Besides, it is also the oldest model of all the available DVRs in the market today.
Because of the availability of modern types of DVRs, recordings and play backs can already be extended to months instead of just days. The equipment can be connected also to the internet for easy access to your CCTV cameras even in far-flung places or from another location using your computer or mobile phones. Such convenient features can help people in running their business properly even though 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.