Originally Posted By: bobschauberGman, animals can not see infrared lighting!
They certainly can see the visible red light from the IR LEDs since it is not a pure waveform like a laser.
No IR LED gives out a pure waveform, it is a normal statistical distribution graphed with the stated output (750nm, 850nm, 940nm) at the peak of the curve. IR LEDs give out a wide range of radiation with some of it in the visible red range.
A 940 IR normal distribution curve of waveforms does not crossover into the visible red domain very much, however it is at the upper range of NV devices image intensifiers and does not have as much range or power as the 850nm IR LEDs do.