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 - Max./min. Data memory for temperature 24 hours Hygrometer: - Trend display for ambient humidity - Max./min. Data memory For placing on surfaces or hanging up, ideal for monitoring the room climate in bedrooms, children's rooms and living rooms, but also for winter gardens and greenhouses