1. good-quality Air Quality Detection: The Air Quality Detector uses 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 Tester allows you to view at a glance, making it easy to monitor air quality in real-time. 3. Compact and Portable Design: The CO2 Detector is small and , making it easy to carry around. Its attractive appearance and color scheme 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 air quality indicators. Display: 2.8 Inch TFT Screen Test item: Carbon dioxide, temperature, humidity, HCHO, TVOC, PM2.5, PM10, pm0.3 carbon monoxide, Definition: 1, fast flashing, network configuration available, 2, slow flashing, indicating WiFi is displayed, network configuration is . 3, WiFi does not flash and is always on, indicating successful network configuration. Color: Black Material: plastic Package Contents: 1 * Air quality detector 1 * Bracket 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.