2 In 1 Sauna Thermometer: The sauna thermometer and hygrometer adopts a two-in-one design, allowing you check the humidity and temperature of the sauna room in time. Temperature and Humidity Range: The displayed temperature of the sauna thermometer is between 50F-210F or 0C-120C, and the humidity display range of the sauna hygrometer is 0-100% humidity, which is suitable to measure the moisture content and temperature in the sauna room. With LED Light: The sauna accessories is made of transparent acrylic light-transmitting board and wooden base, to falling, not easy to break. White led lighting ensures the scale is clearly visible and easy to read. Built-in 1800mAh Battery: Our sauna thermometer fahrenheit built in 1800mAh lithium battery, it can be used for 4-6 hours after fully . It's suitable for hotel, family, sauna indoor temperature and humidity measurement. Size: 8.8inx8.2inx1.1in. Easy to Install & Adjustable: The sauna thermometer is easy to mount , there are 2 calibrators on the back of the thermometer, one for adjusting Fahrenheit and one for adjusting humidity. Colour:Wood & transparent Material:Acrylic Package Contents: 1 * Sauna Thermometer 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.