When you wish to know the identity of the intruder who is lurking in the dark and trying to violate your privacy, you will certainly think of some device that will easily identify such persons. Safety of your privacy is also extremely important for your self defense. Video surveillance camera is the exact thing you require in such cases.  

Closed circuit TV systems have been working for quite some time now. The system is among the self defense products has also undergone a lot of evolution over the years. From the expensive and difficult system of yesteryears it has come up to a stage where it is easy to maintain and they are extremely versatile and useful.

What you expect to achieve with the close circuit Surveillance Camera is you can check theft or burglary, shop lifting, robbery etc to a large extent. The things that you have to take care of are the lighting conditions, viewing angle and accessories that you require for the purpose. This is not like an impact weapon like the Stun master 625,000 volt or the sprays but affective all the same.

For viewing you can have a central monitoring point, and recording and storing information is possible. You will require larger hard drives to record more data and coverage of longer time frame. There are also devices like DVR that would record continuously from all cameras and have switcher and multiplexer functions together into one single unit. The best part of it is that the price has come down a lot.