Of course first thing I wanted to know how exactly good pieces now is actually now, and have compared with a good digital thermometer.
The result is absolutely satisfactory, the refrigerator thermometer shows no temperature deviations!
Otherwise the thermometer does what it should, moreover, it is really a precise degree to read.
Supplied with an adhesive pad is included to make it possibly to glue in the refrigerator (here beforehand attention to Kondenswassebildung on the adhesive surface).
Conclusion:
Functional and very accurately - I would recommend it with a clear conscience!