1. High-Quality Air Quality Detection: The Air Quality Detector uses a premium electrochemical detection module, ensuring stable performance and strong anti-interference capabilities. 2. Vivid TFT Color Screen: Equipped with a 2.8-inch TFT color display, the Formaldehyde Temperature Humidity AQI Tester allows you to view test data at a glance, making it easy to monitor air quality in real-time. 3. Compact and Portable Design: The CO2 Detector is small and lightweight, making it easy to carry around. Its attractive appearance and color scheme make it a stylish addition to any home or office. 4. Versatile Application: Ideal for both professional and household use, this air quality detector provides comprehensive monitoring, helping you maintain a healthy environment by keeping track of various air quality indicators. Display:2.8 Inch TFT Screen Test item:Carbon dioxide, temperature, humidity, HCHO, TVOC, PM2.5, PM10, pm0.3 carbon monoxide, AQI Color:Black/White Material:plastic Package Contents: 1 * Air Quality Monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.