WiFi Thermometer Hygrometer with Data Storage and Switchable Temperature Unit
20,36 €
And the working temperature of the is 14 ℉ -131 ℉ (-10 ℃ ~ 55 ℃). Make sure your phone is connected to the WiFi. Full connection. WiFi frequency: 2.4GHz (only). The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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