They seem to be extremely consistent for the record .. and great for those awkward spots under hides and in back corners etc . A bonus is that our cat , dog and my Lake Malawi cichlids all love chasing the red ,a see dot all over the place ..
I bought two , five years apart , they look the same but different makers , different label etc and they give near identical readings ..
They also match up with readings from digital thermometers with wired probes like this one ... so I'm content to trust them 100%.
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