In recent years we have seen great use and requirement of CCTV’s. Be it offices, shopping malls, banks, homes, airports, railway stations, or any other public place – it is quite possible that somebody would be spying on you through these CCTV Cameras. CCTV stand for Close Circuit Tele-Vision, which means camera which would always not be visible to people in its vicinity but the camera can view and record everything happening under its eyes. CCTV Cameras have helped the police and intelligence companies in solving many cases and in identifying the culprits. People install such devices in their homes and at the front gate so that they know who is on the door before even opening the door. In current days situation where people cannot rely on strangers these CCTV Cameras are proving their worth and importance. With the widespread use of these devices the cost of device and its installation has drastically gone down and now more users are seeking its use. If you wish to get one for yourself you can easily do the same but should understand the knowhow of this device and should understand how it works and what should be kept in mind before purchasing one.

CCTV Camera is a camera; so the first thing which should be kept in mind is  the quality of video which it will render to the TV connected to it. You should always look for the frame per second capability of the CCTV Camera as it will let you know a little about its quality. Frame per Second is the number of images the camera can capture every second to make a streaming video. Higher the numbers better the video. Frame per second is also associated with the Digital Video Recorder because camera will just capture the frames and pass it on to the DVR (Digital Video Recorder), now it is the task of the DVR to save these frames as a movie recording. If you have more than one camera then the Frame per Second value for the DVR should be any number more than the summation of Frame per Second values of all the Cameras. So if you have 4 cameras of 30 Frame per Second each then your DVR should be of 120 Frame per Second.

Another factor to be kept in mind is the Resolution of the video being recorded. Resolution is the product of horizontal and vertical pixels of the video. Greater the number better the size and better would be the display of the video. Some sample resolutions are like 160×120, 320×240, 640,480, 800×600 and so on.

Another important factor is the DVR (Digital video recording) which keeps historical video in its hard drive for quite some time but when the hard drive reaches its limit the DVR starts deleting the oldest video content to save the newly recorded one. Larger the size of storage drive on your DVR, more would be the number of days for which it can save the video. If your DVR has backup facility then it would be awesome so that you lose nothing even if your DVRs hard drive gets exhausted, because you would have taken a backup of old video data.

What if you are not at home but still want to see what is happening in your house. Many models coming these days are capable in connecting to the web so that you can view the recordings from remote location. You can go for this feature if you wish but just to conclude i would add that every extra feature costs money. So before anything you need to realise what your needs are and why you need a CCTV for everything else today’s technology has a solution.