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

1. The color indication of the air quality level is more intuitive2. Track the hazard degree of harmful gases and grasp the health status of the environment3. Semiconductor, infrared, electrochemical detection technology, long standby, alarm prompt, real-time detection4. The shell is hard and not easy to break5. 24-hour continuous monitoring of air quality6. Measuring medium: PM2.5, PM10, HCHO, TVOC, CO, CO2, AQI7. Battery capacity: 1500mah8. Power supply mode: USB charging/built-in lithium battery9. Applicable occasions: home, office, confined space, kindergarten10. Function: detect polluted gas/temperature and humidity11. Size: 70x30x157mm