9 In 1 Air Quality Detector Handheld High Precision Formaldehyde Detector(White)

1. The color indication of the air quality level is more intuitive 2. Track the hazard degree of harmful gases and grasp the health status of the environment 3. Semiconductor, infrared, electrochemical detection technology, long standby, alarm prompt, real-time detection 4. The shell is hard and not easy to break 5. 24-hour continuous monitoring of air quality 6. Measuring medium: PM2.5, PM10, HCHO, TVOC, CO, CO2, AQI 7. Battery capacity: 1500mah 8. Power supply mode: USB charging/built-in lithium battery 9. Applicable occasions: home, office, confined space, kindergarten 10. Function: detect polluted gas/temperature and humidity 11. Size: 70x30x157mm