- High-precision electrochemical HCHO sensor, laser particle sensor
- HCHO measurement: range: 0-5 mg/m³, resolution: 0.001 mg/m³
- TVOC measurement: range: 0-9 mg/m³, resolution: 0.001 mg/m³
- PM2.5 measurement: range: 0-999 ug/m³, resolution: 0.1 ug/m³
- Large display, best for home, office or various occasions, 3000 mAh battery works for 6 hours. 24/7 US Technician Support via Email and Phone.