To put it mildly, yes.
I believe there is a DIY fix for it, though. Link to fix: LiitoKala/Colaier Lii-500 inconsistent IR measurements FIXED
To put it mildly, yes.
I believe there is a DIY fix for it, though. Link to fix: LiitoKala/Colaier Lii-500 inconsistent IR measurements FIXED