Smart wifi temperature sensor: connects to 2.4 GHz WiFi for remote monitoring via the companion app. It supports app notification alerts, view history records, temperature and humidity graphs, and readings in °F/°C, plus intelligent linkage functions. Works with third-party smart speakers: indoor wall-mount compatible with Amazon Alexa and Google Home. After setup you can hear current temperature and humidity by voice. For example, Alexa, what's the humidity in the baby room? Smart scenes and automation: can be used as the data source for Tuya Smart and Smart Life. Create scenes in the app; alerts are sent to your phone when values exceed presets. You can also set a scene to turn your AC on/off when the temperature reaches a limit. Compact design and easy placement: wireless remote thermometer is small enough to fit in reptile vivariums, potted plants, and other small spaces. Mount on the wall or place it in a corner using the included sticker or screws.