Aperture Science Security Camera

The Aperture Science Security Camera is a security camera shown in Portal_M4R10_-_If_Mario_was_in..._Portal.

Description
The security camera is connected to a wall and has a cylinder with a red circle on the frontside and there's a red light coming from the right side as seen in the picture. It also depends on which test chamber Mario is in. The Aperture Science logo can be seen on one of the black connectors.

Trivia

 * This camera exists in every test chamber.
 * Mario is able to manipulate GLaDOS so that the security camera shows Teletubbies, as seen in the middle of the video, when Mario is trying to escape after the death of the Companion Cube.