Temtop Air Quality Monitor for PM2.5 HCHO TVOC AQI Professional Electrochemical Sensor Detector Real Time Display Rechargeable Battery

Brand New Wireless 5-IN-1 Air Quality Monitor: PM2.5,HCHO,TVOC,AQI,WIFI
With Temtop App, it supports real-time AQI monitoring, remote turn on/off function, display local weather forcast and etc. Support iPhone or Android phones.”
3 Steps to WIFI, easy operation
Temtop 3rd-generation laser particle sensor with max. 20,000 hours’ lifetime. Combined with the unique particle swarm optimization algorithm, it makes particle measurement more accurate and stable
Top electrochemical sensor from Dart UK with pre-calibrated that provides more accurate formaldehyde molecule measurements. Its TVOC detect function can covering a wide range of organic pollutants of VOCs.”