Temtop Air Quality Monitor, M10 Detector for PM2.5 HCHO TVOC AQI with Real Time Display/Rechargeable Battery

4 in 1 Multifunction Monitor This smart air quality meter provides accurate monitoring of PM2.5, AQI, HCHO, TVOC. The practical offer measures 4 important indices for indoor air quality. 【Professional High Tech Components】Temtop Industrial Grade PM2.5 Laser Sensor, British Formaldehyde Sensor. Professional high-tech components to ensure ultra-precision and professionalism to detect needs. EASY TO USE - Use one button to activate on/off function, interface switching and automatic loop. 3 colors LED light to indicate healthy to unhealthy air quality. Calibration function for HCHO sensor is also available. Why Temtop Professional Air Quality Expert with 10 years PM2.5 sensor research and development and cooperates with other professional sensor suppliers worldwide such as Senseair/Sensirion/Renesas. Package includes: M10 air quality monitor, charging cable, reset pin, user manual., Weight: 0.440924524 Pounds, Manufacturer: Elitech