Features: Our Mechanical Wall Mounted Thermometer and Hygrometer accurately measure indoor temperature and humidity without electricity. Wall mounted designs of our product is space saving and user friendly. The display screen provide clear readings for easy monitorings. Suitable for home user, offices, schools, and laboratory that require monitorings indoor temperature and humidity. Perfect for various indoor space such as livingrooms, bedrooms, offices, and greenhouses where temperature and humidity level need to be monitored. Experience the convenience and accuracy of our Mechanical Wall Mounted Thermometer and Hygrometer, ensuring a comfortable and healthy indoor environment for family. Specifications: Material:ABS Temperature measurement range: -20~+50℃ Humidity measurement accuracy: 0-100RH Size:Approx.173mm/6.81''x85mm/3.34'' Package Includes: 1x Thermometer Hygrometer note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.