Tenky Mini Bluetooth Smart Temperature And Humidity Sensor / Switch With Historical Data Change Curve Automation Detectors Description: The product nameBLE Temperature and humidity meter APPqaqa Temperature range-50~ 70 Humidity measurement range10%~99%RH The batteryCR2032*1 Temperature resolution0.1 Accuracy of humidity measurement±5%RH Specifications: Function This thermometer provides you accurate humidity and temperature readings for indoor. and can be converted The button on the back of the display can convert the temperature unit with one key. Bluetooth connection APP historical data change curve can be observed Air omfort indicator Level icons indicate air comfort, great for monitoring family's living conditions and health. Clear reading large numbe, allowing easy readability. Conveient design You can attach to refrigerator or place the table with the hanging hole and back stand. Application Suitable for office, bedroom, living room, bathroom, school and more. Good quality Made from good quality ABS plastic, which is sturdy and durable, stylish design perfectly matches with your room. Three motion face expressions Three expressions are used to display the temperature and humidity of the current environment.(Humidity display between 10~39%RH Not that good;Humidity display between40~70%RH Comfortable;Humidity display between 71~99%RH Terrible) Package Included: 1*sensor