Delivered in three weeks, apparently nothing. I can not check, there is no battery included.

Two months. I will install the battery then it will be clear whether it works or not.

Fast shipping. In 5 minutes, it turns off. Pressing the power button does not help.

On two thermometers is absolutely the same temperature. But it's been a long time.

A normal thermometer. it's a pity that the battery is not included.