Hidden Camera, The wonder of science!!!!
Now a days science and technology have been advancing very fast which results so many wonderful discoveries. Hidden camera or spy camera is one of the most wonderful achievement of science. It can be both wired or wireless .The wired hidden cameras are (see here:<a href="http://www.smartstun.com/HIDDEN-Cameras-w-DVRs_c_62.html">hidden cameras</a>)connected with TV, VCR, or digital video recorder (DVR). On the other hand when there is need of transmitting video signal through a receiver within a small radius (like 100 feet) wireless hidden cameras are badly in needed.
Uses of hidden cameras:
Hidden cameras are widely used in different TV shows. The “Telefé”(TV channel of Argentina) was first used hidden camera in one of their tv show called “Videomatch” in the year of 1991.