Features: Experience comprehensive air quality monitoring with our 10 in 1 Easy to Carry Air Quality Monitors, designs to provide high accuracy readings for CO2, PM10, TVOC, and more, ensuring a healthier indoor environment. Equipped with double chip technology and excellent sensors Integrations, this air quality tester combines , , and semiconductor sensors for precise measurement of pollutants and environmental conditions. Ideal for health awake individuals, family , office workers, and educators who prioritize maintaining best air quality in their living and working space . Perfect for use in bedrooms, living room , office meeting room , classrooms, and gyms, this Multifunction device help you track and improve the air quality in various indoor environment. Stay inform with data displayed on a digital LCD screen, including temperature, humidity, and time, making it essential tool for preventive air quality management. Specifications: Material: plastic+metal Size: about 45x120x200mm/1.77x4.72x7.87inch Package Includes: 1 set 10 In 1 Indoor Air Quality Monitors note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.