front motive:

the LED really does blink when the area is illuminated by IR LIGHT
back motive (black thermo transfer sheet on black cloth)

for the human eye, it is glossy black on black, for cctv cameras black on white. see example below.


front motive:

the LED really does blink when the area is illuminated by IR LIGHT
back motive (black thermo transfer sheet on black cloth)

for the human eye, it is glossy black on black, for cctv cameras black on white. see example below.

