Smart App Control: Easily monitor temperature and humidity in real time via TUYA/Smart Life application. The data comes with global climate synchronization, real-time display of weather changes and weather forecasts. 3 Wireless Remote Sensors: The temperature, nature and humidity of 2 locations are displayed below. On the screen, you can change CH1 to CH2 to CH3 (3 remote sensors included). The sensor distance allows a transmission range of up to 1000m. 60m in open space. Smart Message Alerts: Create temperature or humidity ranges within the range. Preset, you will be immediately notified on your smartphone when the level is out of range. Be aware of air changes in your cellar wine, your wine box cigars, your musical instrument box, your greenhouse or your house. Sensitivity and Precision: Use the highly sensitive digital sensor. Swiss Sensirion for temperature and humidity accurately detects temperature changes of 0.1 °C and humidity changes of 0.1%. Enjoy accurate data from