1. [Air Detector] This air quality detector is a multifunctional intelligent air quality monitoring device. It is a non-professional testing instrument. The measured data can only be used as a reference for changes in the household air environment. It meets testing standards and complies with CE standards. 2. Easy Quality Monitoring: The air quality detector can easily measure from room to room to understand the air quality overview of your home, school, daycare, or any other location. 3. [High-Definition Digital Display] The professional sensor requires only a 1.5s sampling time and can display the current air quality on the screen in real-time (due to airflow, the CO2 value will change, but it will remain stable). Thanks to the high-definition screen, it is easy and intuitive to read the display. 4. [Portable Design] Palm-sized portable detector, easy to carry, can detect gas quality in bedrooms, living rooms, kitchens, offices, cars, schools, hotels, camping, and other environments to protect your health. 5. [Wide Application] Our air quality detector is widely used in homes, offices, businesses, government agencies, schools, cars, etc. It detects and monitors air problems at any time to ensure the health of family members or employees. Product size: 11.8*7*3.4cm. Shipped quantity: 1 piece.