WiFi temperature humidity: WiFi temperature sensor connects to 2.4 GHz WiFi (does not support 5G WLAN), accurate measurement in real time without delay. With this item you can monitor your baby room, wine cellar or garage anywhere.Voice control: wall temperature sensor indoor works with , Google Assistant, supports and Google Home to check temperature and humidity: , how high is the temperature of ?, how high is the humidity?Smart scene for triggering devices or warnings: the thermometer for indoor use can an intelligent connection. You can set up an intelligent scene to trigger alerts from events such as high/low temperature, high/low humidity, when the values are out of this range, you will receive an instant notification.2 YEARS OF DATA STORAGE EXPORT: You can retrieve current temperature and humidity records via a . In the app, press "export data as CSV" to export the data of the last 2 years to your phone.Low battery reminder: First, you should activate the low battery reminder option in the app. When the battery power is to about 3.6 V, the app notifies you in the form of a notification.Battery Type: 1 x AAA Battery( without Battery)size: 64mmMaterial: Plasticcolour: WhitePackage Contents:1 x Temperature HumidityOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.