Wireless Wlan Weather Station With 3 Outdoor Sensors Thermometer HygrometerSmart App Control: Easily monitor real-time temperature and humidity on TUYA/Smart Life App. Data is synced with Google Weather, real-time display of weather changes and forecast meteorological. 3 wireless remote sensors: The temperature and humidity of 2 places are displayed on the screen, you can change CH1 to CH2 to CH3 (3 remote sensors included). The remote sensor offers a transmission range of up to 60m in open space. Smart Message Alerts: Create preset temperature or humidity ranges, you'll be instantly notified on your smartphone if levels fall outside of range; stay on top of the air changes in your basement your wine box, your cigar box, your musical instrument box, your greenhouse or your home. Sensitivity and Accuracy: Adopt Swiss Sensirion high sensitivity digital temperature and humidity sensor, accurately detect 0.1 temperature change and 0.1% humidity change. Take advantage of accurate thermometer data humidity every 2 seconds. Trend and History Data: Check the date of max or min temperature and humidity history from APP, the stored data is displayed via curve graphs for clear observation.