Description Smart app control: Easily monitor real-time temperature and humidity on TUYA/Smart Life APP. The data is synchronized with Google Weather, real-time display of weather changes and weather forecasts. 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 provides 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 the range; stay aware of air changes in your wine cellar, cigar box, musical instrument box, greenhouse or home. Sensitivity and precision: Adopt Swiss Sensirion high sensitive digital sensor for temperature and humidity, accurately detect 0.1℃ temperature change and 0.1% humidity change. Enjoy accurate hygrometer thermometer data every 2 seconds. Trend and historical data: Check the date of max or min temperature and humidity history from the app, the stored data is displayed via curve graphs for clear observation. Number of sends: 1pcs (without battery)