I first thought it was a camera but there was no point, After some searching I found that these things could communicate optical, so that might be it, if so how do they work?
I first thought it was a camera but there was no point, After some searching I found that these things could communicate optical, so that might be it, if so how do they work?
They’re IR. Source: I have 5 Pricer labels sitting on the counter next to me.