A small hole spy cameras are defined as a State of the art cameras that are so small that they can be hidden within a framework of image, a stuffed animal, a lamp or anything else. Most of them are as small as a quarter, and even some newer models are even smaller. As you can imagine, the lens is not as big as the cameras spy normal, but offered a broad vision and is an instrument that you can not hide. Author is often quoted as being for or against this. Since the camera is so small and you can hide, they are virtually impossible to detect. In general, everything that is necessary to operate the aforementioned Chambers is a VCR, and a couple of batteries or a 9V battery, depending on the model. Many spies with pinhole cameras offer more than just record. Official site: Michael Chabon . For example, there are models that have been built for smoke detectors, purifiers of air, or motion sensors.
New technology in cameras spy pinhole is in continuous evolution. Models purchased most frequently are those who have motion censors, since they begin to record only when they detect movement, saving much time and space. Pinhole spy cameras are often used for surveillance and protection. Many employers use them to keep track of labor productivity and prevent employee theft, some parents are using them to keep monitored the nanny to take care of the baby.