Deconstructing the camera eye
Another view of the camera eye components
Recording the world
Spence can turn the camera on and off using a magnetic switch. When it's recording, the camera eye will glow red, thanks to an LED light fitted into the camera.
I see you
Because of the LED light, anyone who interacts with Spence will know when he's recording their interactions. Spence thinks that, along with the short recording time available to him, alleviates privacy concerns that other technologies such as Google Glass may have.
In the dark, prosthetic eye glows red as the video camera behind it records.