The thermometer has a deviation of 1.5 ° C upwards. All other thermometers in the House differ by only 0.1 ° C, when placed side by side. In the comparison measurement was waiting long enough.
I thought I would have bought a reasonably accurate gauge. I have not specifically taken the best.
Only one star because it does not do what it should. Temperature and humidity within an acceptable accuracy measure! At least the temperature should be able to measure the device exactly.