Amocane Sauna Thermometer 2in 1 Fahrenheit Thermometer Hygrometer for Sauna Room

It gives you an instant and accurate indication of the temperature and humidity in the sauna or house, letting you know if the air is humid, dry or ideal. EASY TO INSTALL: The L 3.93" X W 3.93" X H 0.98" size is easy to mount on the wall with only one screw (not include).