Ever need to watch those who are watching? That's exactly what a hidden camera in TV can do. In fact the possibilities for different types of hidden cameras are nearly endless these days, thanks to 21st century electronic technology.
Most covert security and surveillance monitoring systems use a hidden color camera. There are definitely useful times when covert digital video recording is necessary and thanks to 21st century technology, the equipment for this purpose is not only available, but reasonably priced as well.