What is eyeball camera?

In the market of security cameras, we find a peculiar type of camera “eyeball” that is a type of spherical camera and looks like an eye, one of the advantages of this camera is its easy installation and adjustment, since having the shape spherical, just rotate and focus lens. One of the disadvantages is that if it is needed to persuade, the person knows where the camera is focused or facing.

How is an eyeball camera physically?

A basic eyeball camera look like: