YVIS-CIRPenSm: Yellow Visible and Clear IR Writing Pen

UVPenSmallOpenA
UVPenSmallOpenAinkyellowvisclearir_1978994165
$12.56 each

Yellow Visible and Clear in the Infrared above 800nm Writing Pen.

This pen writes yellow in visible light and buts becomes transparent when viewed with an IR sensitive camera between 600nm to 950nm.

You can learn more about these inks by clicking here.