Technology used in CCTV Cameras:
Currently over 7 video surveillance technologies have been in use and they are: High Definition Video Transport Interface, High Definition Composite Video Interface, Analogue High Definition, High Definition Serial Digital Interface, IP Network, Advanced Analogue systems and Analogue systems.
Of all these, the IP Network technology is just one that finds used in all commercial areas in addition to homes. This technology can be used in confined areas to look at over human activity for the true purpose of security and on roads and highways, along side various apps that facilitate license plate identification, traffic estimation etc.
So, if you are keen on making utilization of this technology in your home or office, here is a fast guide to allow you to identify the best camera that may solve your purpose:
The Form Factor: Form factor basically means the kind of camera that will be perfect for your need. The various kinds available are the dome cameras, bullet camera, turret cameras, box cameras, vandal proof cameras and PTZ cameras.
Lens size or FOV: This basically determines the focal length of the lens used. Should you want to monitor a small area but with the finer details then you must decide on the one that has a higher focal length and vice-versa.
Resolution: Well for this you need to always go with the HD CCTV camera online.
Infrared support: once you install a camera you would want it to keep watch throughout the day. So, the camera should be well equipped to capture images in low or no light and for this you may need a camera with Infrared lights.
With one of these specifications in position you may always be able to get the camera that matches your requirements and it has the right technological attributes.
Combined with the camera itself, another aspect that determines the performance of a surveillance system is the DVR or perhaps the recording device that stores all the data for you really to review whenever the requirement be. So, exactly like you will have to research the specifications associated with the camera you will need to research the following specifications and attributes associated with the DVR:
Choices for live viewing, recording, playing back recorded video, backing up data
Power to compress files
2 way audio facility with 16 channel audio recording
VGA output slots and LAN ports
Software to watch live and playback video on handheld devices
Pre-Alarm recording facility with NAS compatibility
USB back up facility
With these two components in position you could have a very functional and accurate surveillance system that will keep a wristwatch for your needs.
So, if you should be about to install CCTV cameras in your residential or commercial space, you need to search for the above mentioned specifications in the camera along with the recording device. Also, you must always obtain the devices from reputed vendors who've been working in this domain for very long and have now received excellent reviews from customers due to their customer care and service efficiency.
