Smart App Control: Easily monitor the temperature and humidity in real time via the TUYA/Smart Life app. Data is synchronised with Google Weather, real-time display of weather changes and weather forecast. 3 wireless remote sensor: the temperature and humidity of 2 places are displayed on the screen, you can switch CH1 to CH2 to CH3 (3 remote sensors included). The remote control sensor provides a transmission distance of up to 60 m in an open area. Intelligent notifications: set preset temperature or humidity ranges. You will be notified immediately on your smartphone when the values fall out of the range, stay up to date with air changes in your wine cellar, cigar box, musical instrument box, greenhouse or home. Sensitivity and accuracy: Adopt Swiss Sensirion high sensitivity temperature and humidity digital sensor, accurate sense 0.1?c temperature change and 0.1% humidity. Enjoy precise data from the hygrometer thermometer every 2 seconds. Data Trend and History: Check the maximum or minimum temperature and humidity history from the app, stored data is displayed via curved graphs for clear observation.Please note: As we are international seller, our delivery time will take about 10 working days. Our logistics provider and delivery method is: New Zealand Post.