Sauna Thermometer and Hygrometer: sauna thermometer and hygrometer is designed as 2-in-1 style which is practical to check the humidity and temperature of the sauna room . The accurate temperature and humidity will provide you with a relaxing and comfortable atmosphere. Widely Used Sauna Accessories: This wooden sauna thermometer and hygrometer, suitable for hotel, family and other sauna room with indoor temperature and humidity measurement. High Visibility and Dual Temperature: The sauna thermohygrometer is made of natural cedarwood, with a sturdy glass lens, the scale is clearly visible and easy to read the both Celsius and Fahrenheit temperatures at the same time. Temperature and Humidity Display: Our temperature of the sauna thermometer is between 50F to 250F; The humidity display range of the sauna hygrometer is 0-100% humidity, which is very suitable to measure the moisture content and temperature in the sauna room. Easy to Calibrate Thermometer Dials: The backside of our sauna thermometer and hygrometer with the a piece of iron filing, which can help you to calibrate sauna thermometer dials by hand. Please note:the physical slightly color difference or difference, please do not mind, does not affect the use, thank you Note:The wood grain style is random and cannot be specified, which will not affect the use. Colour:As Shown Material:Wood Package Contents: 1 * Sauna Thermometer and Hygrometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.