He has photoelectric vision, and a picture of what that aisle is supposed to look like.
Here's your photoelectric light key for room 2305 F. That's on the two hundred thirtieth floor.
Two photoelectric robot machine guns followed each movement of the duelists.
He passed his hand rapidly over the photoelectric eye of the commo box.
photoelectric pho·to·e·lec·tric (fō'tō-ĭ-lěk'trĭk) or pho·to·e·lec·tri·cal (-trĭ-kəl)
Of or relating to the electric effects, especially increased conductivity, caused by light.
Relating to or exhibiting to electrical effects upon exposure to light. For example, some photoelectric materials emit electrons called photoelectrons upon exposure to certain frequencies of light; others, such as photoresistors and phototransistors, change their electrical properties. See also photoelectric effect.