Features: *Analogue room thermo-hygrometer for easy monitoring of the room climate. *The thermo hygrometers have a large, easy-to-read scale for measuring the temperature in C and another scale for measuring the relative humidity in %. *Thermometer: On the temperature display you can see not only the current temperature in C but also whether the current room temperature is in the comfort range between 15 and 25C. *Hygrometer: The humidity display shows the current humidity in %. The colored scale also shows whether the room climate is too dry, optimal or too humid. *Proper range design made this thermo-hygrometer specially suitable to monitor normal in / outdoor weather condition. *Can also be equipped in office, restaurant, hotel lobby, garden, classroom, laboratory, workshop and house, etc. Specification: *Material: ABS *Color: Black,blue *Temperature Measuring Range: -30-50 *Humidity Measuring Range: 20- *Dimension: diameter 13cm, thickness 2.2cm Package Includes: 1Pc Thermo-hygrometer Notes: Please check the size clearly before you buy it, do not judge the size by the pictures or imagination! Please allow 2-3 cm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Thank you for your understanding.