Product Description Mens Womens Half Face Mask Mouth Cover Keep WarmerTemperature and humidity update: Users can select the temperature or humidity report time, such as 1 minute or 120 minutes. The higher the update frequency, the faster the battery will drain. Voice control: Support Alexa, Google Assistant, understand temperament through simple voice control commands, for example: "Alexa, what's the temperature here? (Alexa is not supported to learn humidity) LCD display: The large LCD screen dynamically displays real-time values, conveying the status of a comfortable home environment, and mobile applications can view current and historical temperature data Alert: When the temperature or humidity exceeds the preset value, push notifications will be sent through the app, or in addition, we also provide the second level of security (value added service), you can turn on the SMS or phone call notification alertfunction on the app. Remote viewing of temperature and humidity, no hub required: Use 2.4G WiFi network, easy to set up, check temperature and humidity in the app "Smart Life" anytime, anywhere