ORIA Digital Hygrometer Thermometer, Indoor Thermometer Humidity Monitor, Temperature Humidity Gauge Meter, with Comfort Indicators, Min and Max Records, for Home, Office, Greenhouse, Room;

- clear:  press the clear button to clear the min/max readings.0 - °c/°f:  press the °c/°f button to switch between centigrade and fahrenheit. - comfort inddicators:  this unit display comfort icon in the rh% display to show if the surrounding atmosp