What is "flashers"

Usage examples of "flashers".

With the same motivation he brought the red flashers back to the center of the periscope screen.

Yeva protested, when she had seen them hovering too often over the flashers in the news section.

The mountain range was flanked and fronted by holopromos and subliminal pulsers, pyrotechnic flashers and computer-generated dramatizations of selected passages.

Jorge turned on their blue, red, and white flashers and eased across traffic onto the right-hand shoulder.