COMPACT DESIGN & VARIOUS INSTALLATION METHODS: tuya thermometer hygrometer indoors is small enough to fit in potted plants, reptile vivariums, cigar humidors, and other small spaces. You can monitor your baby's room, wine cellar. Lay this wireless remote thermometer on any spot of your house or mount it on the wall or in other places with the sticker or screws.WIFI THERMOMETER HYGROMETER: No hub required, Connecting with 2.4 GHz WiFi (which doesn't support 5G WiFi), you can remotely monitor the smart humidity sensor. Smart temperature sensor supports Free App Alerts, switch the temperature units between and , View History Records, and Temp Humidity Graphs functions.LOW POWER & HIGH-QUALITY AFTER-SALES: Wifi temperature sensor with low power consumption microprocessor for long standby. Comes with 2*AAA Batteries, you can receive alert messages via the app when the battery is low for your sensor. We provide 24 months warranty on Alexa thermometer indoor.SMART SCENE TO TRIGGER ALERTS OR DEVICES: Wall temperature gauge indoors can be used as the temperature and humidity data source for Tuya Smart, Smart Life, Alexa, and Google Home. Create a scene via the app, Alert will be sent to your phone when beyond preset value. You can also set a scene to automatically turn your AC on when the temperature reaches the limit value, or the dehumidifier in your room starts working once the humidity is over higher.VOICE CONTROL: Wifi Temperature and Humidity Sensor supports Alexa and Google Home to ask for temperature. You can know the current temperature humidity by voice. For example, you can say "Alexa, what's the temperature in the Living room?"