A good temperature and humidity level in the house is very important. Dry and too humid air can cause all kinds of health problems and mould in the house. And an unstable temperature contributes to high energy bills. That's why it's important to keep an eye on both with the help of the alpina Smart home climate and humidity meter.... The hygrometer measures temperatures from -20 to a maximum of 60 degrees Celsius and humidity from 0-100% RH. Connect the Zigbee temperature meter to the alpina Smart home app to receive notifications when the temperature or humidity changes in the house.