Indoor Digital Hygrometer Wireless APP Control<br> The temperature sensor uploads data to APP when connecting via bluetooth<br> You can check the max and min values of temperature and humidity on APP from your phone<br> Support 35m distance between phone and transmitter without obstacles<br> Hygrometer Thermometer Data Storage Export supports temperature data export function<br> records a group of data every 10 minutes<br> can store up to 100 days of data<br> A smart device can be connected to up to 100 temperature sensors simultaneously<br> Available to export data in CSV format for free after registering an account<br> Digital thermometer precision sensor<br> Accurate and sensitive integrated temperature and humidity sensor<br> it refreshes once per second to provide more accurate and faster data<br> The temperature error can be 0<br>5 (1)<br> humidity error can 5%<br> Bluetooth 5<br>0 chip adopts<br> The temperature sensor provides real-time wireless monitoring of temperature (-20-60) / - 4-140 and humidity (0-100 RH)<br> Smart Alert for Reminder Sensor temperature data download to the app when connecting via bluetooth<br> You can check the maximum and minimum values of temperature and humidity on APP<br> The sensor with the sound alert on the device<br> if the temperature or humidity is out of door<br> it will have the alert on the device<br> The alert notification will also be sent to your phone<br> Mini design and portable indoor outdoor thermometer<br> The wireless humidity sensor is smaller than the others<br> Measures 1<br>79 x 1<br>79 x 0<br>47 inches There is a magnet on the back<br> which may be attracted to magnetic objects<br> Space-saving and handy<br> Easy to install<br> It can be applied in home surveillance<br> domestic animals<br> refrigerators<br> freezers<br> walk-in ice cream parlors<br> wine cellars and greenhouses<br> etc<br>