Features: Accurately measure indoor temperature and humidity levels with the Temperature Humidity Tester. Ensure a comfortable living space with reliable data support. Enjoy the convenience of the compact and portable Temperature Humidity Tester. Easily change between temperature unit for your preference. Suitable for homemakers, office workers, and warehouse managers, the Temperature Humidity Tester provides reliable data support for monitoring indoor temperature and humidity. Use the Temperature Humidity Tester in various environments such as living rooms, bedrooms, offices Monitor indoor conditions and adjust for optimal comfort. Take control of your indoor environment with the Temperature Humidity Tester. Improve and create a comfortable atmosphere wherever you are. Specifications: Material: ABS Temperature Range: -20 to 60℃, -4 to 140℉ Humidity Range: 0-99.9%RH Battery: 2x AAA Batteries Needed(NOT Included) Size: Approx. 180x31x25mm/7.09x1.22x0.98in Package Includes: 1x Temperature Humidity Sensor note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.