-Comfort index for air humidity with "too dry - optimal - too humid" display; for a healthy indoor climate FSC-certified: the paper and cardboard used in our packaging comes from sustainable forest management - enabling us to take a resources-sparing approach to the raw material of wood Thermometer: - Display of indoor temperature - Can be switched between degrees Celsius and degrees Fahrenheit Time / calendar / alarm function: - Time can switched between the 12 and 24 h format - Date