This is not only a temperature but also a humidity sensor ! With this sensor you can monitoring your home/office's data by your phone.
It can also link with other xiaomi products make them work when reach certain temperature or humidity. Make your phone more sensitive and make your home smarter :)
This item must match the Xiaomi multifunctional gateway to use. Please click and find it at : ID1047282 This item is different with Original Xiaomi Temperature Humidity Sensor →→ ID : 1046061←← It is from Aqara, a Xiaomi "ecological chain's" company It is an Atmos Version Temperature Humidity Sensor, so it can tell you the air pressure.