Features: Sauna Thermometers: The sauna Thermometers and hygrometer adopts a two-in-one, allowing you check the humidity and temperature of the sauna room in time. With LED Light: The sauna accessories is make of clear acrylic light-transmitting board and wood base. White led lighting ensures the scale is clearly visible and easy to read. Temperature and Humidity Ranges: The displayed temperature of the sauna Thermometers is between 0℃~120℃, and the humidity display ranges of the sauna hygrometer is 0-100% humidity, which is suitable to measure the moisture content and temperature in the sauna room. Easy to Install & Adjustable: The sauna Thermometers is easy to mount on wall, 2 calibrators on the back of the Thermometers, one for adjusting temperature and one for adjusting humidity. Built-in 1800mAh Battery: Our sauna Thermometers built in 1800mAh battery, it can be used for 4-6 hours after fully charging. It's suitable for hotel, family, sauna indoor temperature and humidity measurement. Specifications: Material: ABS, Wood Measurement: Temperature: 0℃~120℃ Humidity: 0%~100% Port: Type-C Light: White Battery: Built in 1800mAh battery Working Time: 4-6 hours after full charging Size: About. 20.5x4x22cm/8.07x1.57x8.66in Package Includes: 1 Set Temperature Humidity Meter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.