Some wireless pinhole cameras are so small they have to be manufactured under optical magnification.
Since the conception of the camera back in the 1800's it has been the desire of governments to develop a small "Spy" camera.
We've all seen the James Bond movies and marveled at the high tech gear. Now with micro technology advancements just about anyone can have this equipment.

Pinhole spy cameras come in all kinds of shapes and internal workings but
all are so small it is unbelievable.

The pinhole wireless camera can look like a button on your coat or a (working)
fountain pen. They take color or black and white.

Some units almost require a magnifying glass to see them
and they not only take still pictures but most take video as well.

The good news is they are very inexpensive.
Many models can be had for under $100.00.

You can monitor anyplace, any time, for anything, and no one will know it.

Instapark Wireless Hidden Pinhole Spy Camera Nanny Cam with Microphone