LIGHTPEN
Light pen
A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT display.The above text is a snippet from Wikipedia: Light pen
and as such is available under the Creative Commons Attribution/Share-Alike License.
light pen
Noun
The above text is a snippet from Wiktionary: light pen
and as such is available under the Creative Commons Attribution/Share-Alike License.